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91 clusters · 865 sources · 91 days · First seen · Last updated
West Nile virus cases surge across Europe and the US
Overview
The West Nile virus outbreak continues to expand across Europe and North America. In Greece, health experts warn that current domestic case counts may only represent the “tip of an iceberg,” as approximately 80% of infections are asymptomatic. Professor Petros Lygoxygkas of Oxford University noted that fewer than 1% of cases develop into severe disease affecting the central nervous system.
In Romania, reported cases have nearly tripled compared to the previous year, with 83 cases and five deaths reported. In Cyprus, 14 cases and one death have been recorded. Recent developments in Cyprus include the hospitalization of a 70-year-old man in intensive care after experiencing severe tremors and an inability to respond. In response, the Nicosia municipality and the Ministry of Health have planned spraying operations and daily mosquito-control targeting stagnant water.
In Italy, emergency mosquito control measures are being implemented across multiple regions. In Fasano, nocturnal disinfestation has been scheduled following confirmed cases, including two tourists. Other reported incidents include the death of a 90-year-old man in Cassago Brianza and the detection of the virus in an animal in Chiavari.
In the United States, the virus has been detected in mosquito traps in Chatham, Fulton, and DeKalb counties in Georgia, where officials have confirmed eight human cases and one death. Officials warn that cases may rise as mosquito season continues through October. This follows previous reports in California, where the San Gabriel Valley Mosquito and Vector Control District identified a virus-positive mosquito, contributing to a nationwide total of 504 reported cases.
Entities
West Nile virus · West Nile virus · Greece · National Public Health Organization · Italy
Claims
What the coverage asserts, and how many sources carry each claim.
Coverage disagrees
Sources make claims that cannot both be true. CLSTR reports the disagreement; it does not decide who is right.
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"A total of 65 West Nile virus infections have been confirmed in Greece since the start of surveillance up to 5 August 2026."
vs
"Greece has recorded 110 West Nile virus cases from the start of the 2026 period until August 12."
The claims report different total numbers of West Nile virus infections in Greece (65 vs 110) for different timeframes in August 2026.
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"A total of 290 domestic West Nile virus cases have been diagnosed in Greece since the start of the monitoring period." cretaone.gr · www.insider.gr · www.cnn.gr · www.e-radio.gr · www.epirusnews.eu · +17 more
vs
"A total of 65 West Nile virus infections have been confirmed in Greece since the start of surveillance up to 5 August 2026."
The claims report different total numbers of West Nile virus infections in Greece (65 vs 290).
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"Six patients over 65 years old died from West Nile virus infection with central‑nervous‑system involvement."
vs
"Nine deaths related to the West Nile virus have been recorded in Greece, all involving patients over the age of 65."
The claims report different numbers of deaths related to West Nile virus in Greece (6 vs 9).
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"199 of the diagnosed cases presented Central Nervous System manifestations, such as encephalitis, meningitis, or acute flaccid paralysis." cretaone.gr · www.insider.gr · www.cnn.gr · www.e-radio.gr · www.epirusnews.eu · +17 more
vs
"Of the recorded West Nile virus cases, 81 individuals presented serious central nervous system manifestations."
The claims report different numbers of patients with Central Nervous System manifestations (81 vs 199).
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"A total of 65 West Nile virus infections have been confirmed in Greece since the start of surveillance up to 5 August 2026."
vs
"Greece has reported 61 West Nile virus cases."
The claims report different total numbers of West Nile virus infections in Greece (65 vs 61).
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"Six patients over 65 years old died from West Nile virus infection with central‑nervous‑system involvement."
vs
"There have been 24 recorded deaths from the virus, all in patients over the age of 65, as of September 2." cretaone.gr · www.insider.gr · www.cnn.gr · www.e-radio.gr · www.epirusnews.eu · +17 more
The claims report different numbers of deaths related to West Nile virus in Greece (6 vs 24).
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"A total of 290 domestic West Nile virus cases have been diagnosed in Greece since the start of the monitoring period." cretaone.gr · www.insider.gr · www.cnn.gr · www.e-radio.gr · www.epirusnews.eu · +17 more
vs
"Greece has recorded 110 West Nile virus cases from the start of the 2026 period until August 12."
The claims report different total numbers of West Nile virus cases in Greece (110 vs 290).
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"Greece has recorded 110 West Nile virus cases from the start of the 2026 period until August 12."
vs
"Greece has reported 61 West Nile virus cases."
The claims report different total numbers of West Nile virus cases in Greece (110 vs 61).
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"Of the recorded cases in Greece, 81 patients presented with Central Nervous System manifestations."
vs
"Of the recorded West Nile virus cases, 81 individuals presented serious central nervous system manifestations."
The claims report different numbers of patients with Central Nervous System manifestations (81 vs 81, but one is a subset of total cases and the other is a specific count; however, they are presented'
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"Of the recorded West Nile virus cases, 81 individuals presented serious central nervous system manifestations."
vs
"Thirty‑seven patients showed severe central‑nervous‑system involvement (encephalitis, meningitis or acute flaccid paralysis)."
The claims report different numbers of patients with severe central nervous system involvement (81 vs 37).
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"Fifty‑four of the confirmed cases in Greece presented severe central‑nervous‑system manifestations."
vs
"Of the recorded West Nile virus cases, 81 individuals presented serious central nervous system manifestations."
The claims report different numbers of patients with severe central nervous system manifestations (81 vs 54).
- [DISPUTED] A total of 65 West Nile virus infections have been confirmed in Greece since the start of surveillance up to 5 August 2026.
- [DISPUTED] Six patients over 65 years old died from West Nile virus infection with central‑nervous‑system involvement.
- [DISPUTED] Twenty patients are currently hospitalized, including eight in intensive‑care units and four in high‑dependency wards.
- [DISPUTED] Greece has recorded 110 West Nile virus cases from the start of the 2026 period until August 12.
- [DISPUTED] Nine deaths related to the West Nile virus have been recorded in Greece, all involving patients over the age of 65.
- [DISPUTED] Of the recorded West Nile virus cases, 81 individuals presented serious central nervous system manifestations.
- [DISPUTED] A total of 290 domestic West Nile virus cases have been diagnosed in Greece since the start of the monitoring period. cretaone.gr · www.insider.gr · www.cnn.gr · www.e-radio.gr · www.epirusnews.eu · +17 more
- [DISPUTED] There have been 24 recorded deaths from the virus, all in patients over the age of 65, as of September 2. cretaone.gr · www.insider.gr · www.cnn.gr · www.e-radio.gr · www.epirusnews.eu · +17 more
- [DISPUTED] 199 of the diagnosed cases presented Central Nervous System manifestations, such as encephalitis, meningitis, or acute flaccid paralysis. cretaone.gr · www.insider.gr · www.cnn.gr · www.e-radio.gr · www.epirusnews.eu · +17 more
- [DISPUTED] Fifty‑four of the confirmed cases in Greece presented severe central‑nervous‑system manifestations.
- [DISPUTED] Greece has reported 61 West Nile virus cases.
- [DISPUTED] Thirty‑seven patients showed severe central‑nervous‑system involvement (encephalitis, meningitis or acute flaccid paralysis).
Timeline
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about 21 hours ago
[HEALTH] 6 sourcesWest Nile virus cases and deaths rise in Romania and GreeceWest Nile virus cases and deaths are rising in Romania and Greece, with significant numbers of patients requiring intensive care due to neurological complications.
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3 days ago
[HEALTH] 4 sourcesWest Nile virus cases and deaths reported in Georgia and CyprusWest Nile virus cases are rising in Georgia, with eight confirmed cases and one death reported, and in Cyprus, where 14 cases and one death have been recorded amid intensified mosquito control.
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4 days ago
[HEALTH] 2 sourcesRomania faces West Nile virus surge and rabies prevention campaignRomania reports 83 West Nile virus cases and five deaths, while Cluj County begins an aerial rabies vaccination campaign for foxes to prevent disease spread.
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5 days ago
[HEALTH] 10 sourcesItaly implements emergency mosquito control amid virus outbreaksItalian municipalities are launching emergency mosquito disinfestation campaigns following West Nile Virus cases and a Dengue fever report to prevent further spread of these mosquito-borne illnesses.
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5 days ago
[HEALTH] 4 sourcesWest Nile virus outbreak poses health threat in GreeceExperts warn of a West Nile virus surge in Greece, noting that most infections are asymptomatic and calling for proactive mosquito monitoring to predict future outbreaks.
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10 days ago
[HEALTH] 4 sourcesCrete reports fourth West Nile virus case in urban HeraklionA 34-year-old man has been hospitalized in Crete with the West Nile virus, marking the fourth local case this year. Authorities are investigating the urban infection site and initiating mosquito control.
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12 days ago
[HEALTH] 46 sourcesWest Nile virus cases rise across Greece, North Macedonia, and the NetherlandsWest Nile virus outbreaks are surging in Europe, with Greece reporting a record 324 cases and 30 deaths, while North Macedonia has recorded 58 cases and eight fatalities.
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14 days ago
[HEALTH] 5 sourcesCyprus health officials warn of West Nile Virus riskFollowing West Nile Virus cases and a death in South Cyprus, officials in Northern Cyprus are calling for urgent mosquito control and public health measures to prevent local outbreaks.
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15 days ago
[HEALTH] 4 sourcesRomania reports 58 West Nile virus cases, including three deathsRomania has recorded 58 West Nile virus cases between June and September, including three deaths. Bucharest reported the highest concentration, with 25 infections.
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15 days ago
[HEALTH] 8 sourcesAndalusia declares alert in multiple regions over West Nile VirusAndalusia has declared alert areas in Huelva, Seville, Málaga, and Córdoba after detecting West Nile Virus in mosquitoes near residential areas. 63 human cases have been reported in the region this season.
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17 days ago
[HEALTH] 102 sourcesWest Nile virus cases surge across 15 European countriesWest Nile virus cases are surging across Europe, with 1,086 infections reported in 15 countries. Italy and Greece are most affected, with significant neurological complications and deaths reported.
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18 days ago
[HEALTH] 4 sourcesCrete health authorities monitor West Nile virus casesHealth authorities in Crete are monitoring domestic West Nile virus cases after a 69-year-old man was hospitalized in Heraklion and a 63-year-old woman was treated in Rethymno.
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19 days ago
[HEALTH] 14 sourcesItaly responds to Dengue and West Nile virus outbreaksItaly faces rising mosquito-borne illness risks as Dengue cases trigger disinfection in Tuscany and West Nile virus causes multiple deaths and hospitalizations in Campania.
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21 days ago
[HEALTH] 2 sourcesPieria Medical Association warns of West Nile virusThe Medical Association of Pieria has warned citizens about the West Nile virus following local cases, urging mosquito prevention measures like using repellents and eliminating standing water.
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21 days ago
[HEALTH] 7 sourcesCrete reports first domestic West Nile virus case in RethymnoA 63-year-old woman is in intensive care in Rethymno, marking the first confirmed domestic West Nile virus case in Crete this year.
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23 days ago
[HEALTH] 21 sourcesAttica Region launches emergency mosquito spraying in East AtticaThe Attica Region has launched emergency mosquito spraying across 10,000 stremmata in East Attica to curb the West Nile virus following a rise in confirmed cases in the area.
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23 days ago
[HEALTH] 2 sourcesPlovdiv man diagnosed with Bulgaria's first West Nile fever case of the seasonThe first case of West Nile fever in Bulgaria this season has been confirmed in a 63-year-old man from Plovdiv, who developed neurological complications including facial palsy.
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25 days ago
[HEALTH] 8 sourcesQualiano woman dies from West Nile virusA 72-year-old woman has died from the West Nile virus in Qualiano, Italy. Three other local cases have been reported, though no new infections have been recorded in recent days.
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25 days ago
[HEALTH] 2 sourcesFarsala municipality added to West Nile virus surveillance listThe Municipality of Farsala, Greece, is under increased surveillance following a West Nile virus case, triggering strict blood safety protocols and mandatory molecular testing for local donors.
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25 days ago
[HEALTH] 183 sourcesWest Nile virus outbreaks surge across Greece, North Macedonia, and BulgariaWest Nile virus is spreading across Greece, North Macedonia, and Bulgaria, with Greece reporting 232 cases and 19 deaths amid rising mosquito activity.
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27 days ago
[HEALTH] 13 sourcesItaly health authorities respond to West Nile and Dengue outbreaksItaly faces rising mosquito-borne health concerns as authorities respond to West Nile virus cases in Abruzzo and Puglia, and Dengue fever in Umbria through emergency disinfection and surveillance.
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27 days ago
[HEALTH] 135 sourcesWest Nile virus outbreak spreads across Southeast EuropeWest Nile virus is spreading across Southeast Europe, with significant outbreaks reported in Greece, North Macedonia, Albania, Hungary, Croatia, and Serbia, causing multiple deaths and hospitalizations.
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28 days ago
[HEALTH] 2 sourcesWest Nile fever deaths reach five as hospitalizations continueThe death toll from West Nile fever has risen to five after a 73-year-old patient died. Currently, 21 patients are hospitalized, with 18 confirmed to have neuroinvasive infections.
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28 days ago
[HEALTH] 3 sourcesWest Nile virus transmission remains limited in CyprusMicrobiologist Dr. Petros Karagiannis reports no widespread West Nile virus transmission in Cyprus but advises preventative measures like using repellent and removing standing water.
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about 1 month ago
[HEALTH] 34 sourcesWest Nile virus cases rise in Italy with 312 infections and 13 deathsItaly has recorded 312 confirmed West Nile virus cases and 13 deaths through August 19, 2026. The virus is circulating in 16 regions, with recent cases and deaths reported in Veneto, Abruzzo, and Lazio.
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about 1 month ago
[HEALTH] 9 sourcesWest Nile virus cases rise in Andalusia and ExtremaduraWest Nile virus cases are rising in Spain, with 46 confirmed in Andalusia and 17 in Extremadura, prompting increased health surveillance and mosquito control measures.
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about 1 month ago
[HEALTH] 2 sourcesJerez de la Frontera launches West Nile fever prevention planJerez de la Frontera has launched a West Nile fever prevention plan, noting that 80% of mosquito breeding sites are in private areas. Regional alerts have also been issued in Algodonales and other towns.
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about 1 month ago
[HEALTH] 97 sourcesWest Nile virus cases rise across Greece, Serbia, and North MacedoniaWest Nile virus cases are increasing in Greece, Serbia, and North Macedonia, with Greece reporting 110 cases and nine deaths as health officials warn of a difficult transmission season.
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about 1 month ago
[HEALTH] 7 sourcesAttica Region increases mosquito spraying by 30% to combat West Nile virusThe Attica Region has increased mosquito spraying by 30% via ground and air to combat the West Nile virus, a measure that will continue through the 2027-2029 program.
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about 1 month ago
[HEALTH] 3 sourcesGuidonia Montecelio reports second West Nile Virus caseA second West Nile Virus case has been reported in Guidonia Montecelio, Italy, prompting intensive mosquito control measures and public health warnings regarding stagnant water.
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about 1 month ago
[HEALTH] 6 sourcesSevilla reports rise in West Nile virus cases to 29West Nile virus cases in Andalucía have reached 29, all located in Sevilla. Nine cases have become neuroinvasive, and one death has been reported amid heightened mosquito surveillance.
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about 1 month ago
[HEALTH] 8 sourcesWest Nile virus surge in Greece leads to 6 deathsGreece reports 65 West Nile virus cases and 6 deaths, with a heavy concentration in Attica. The country ranks second in Europe for cases, prompting calls for improved mosquito control.
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about 1 month ago
[HEALTH] 2 sourcesWest Nile virus cases rise to nine in Oristano provinceWest Nile virus cases have reached nine in the Oristano province of Italy, with three people currently hospitalized and one death reported. Authorities have initiated disinfestation and prevention protocols.
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about 1 month ago
[HEALTH] 3 sourcesWest Nile Virus Risk in Bulgaria: Elderly and Immunocompromised Most VulnerableProf. Todor Kantardzhiev warns West Nile virus is now in Bulgaria, with people over 60 and immunocompromised at highest risk; he urges mosquito repellent use, clothing protection and limited outdoor exposure.
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about 1 month ago
[HEALTH] 59 sourcesWest Nile virus cases rise across Europe with Italy and Greece most affectedEurope is seeing a rise in West Nile virus cases, with 241 confirmed infections. Italy and Greece are most affected, with Attica, Greece, serving as a major epicenter for recent outbreaks.
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about 1 month ago
[HEALTH] 3 sourcesSecond West Nile Virus case confirmed in Extremadura, SpainExtremadura's health service reports a second West Nile virus case in 2026, a 67‑year‑old woman hospitalized in Mérida, while urging continued vector surveillance and preventive measures.
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about 1 month ago
[HEALTH] 3 sourcesWest Nile fever cases confirmed in SerbiaSerbia records its first two West Nile fever cases in 2026, both elderly Belgrade residents with neuroinvasive disease, prompting new mosquito‑prevention guidance.
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about 1 month ago
[HEALTH] 7 sourcesWest Nile Virus Cases Concentrate in Skopje Region and Veles, Macedonia Health Minister SaysMacedonia's health ministry says most West Nile virus cases this year are in Skopje and Veles, prompting emergency ground spraying and urging personal protection.
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about 1 month ago
[HEALTH] 3 sourcesSlovenia issues mosquito bite prevention guidance as West Nile risk risesSlovenian health authorities urge mosquito bite prevention, noting West Nile virus risk and recommending water removal, protective clothing, repellents, and window screens.
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about 1 month ago
[HEALTH] 74 sourcesWest Nile virus cases surge across EuropeWest Nile virus cases are surging across Europe, with over 240 infections reported. Italy leads in cases, while Greece has reported six deaths. Health authorities urge vigilance as the virus spreads.
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about 1 month ago
[HEALTH] 14 sourcesAndalusia reports first West Nile fatality, expands mosquito controlAndalusia records its first West Nile virus death, confirming 17 cases and expanding mosquito‑control measures across Sevilla, La Línea and surrounding regions.
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about 2 months ago
[HEALTH] 5 sourcesBulgaria braces for West Nile virus peak, says health expert Iva HristovaProf. Iva Hristova says Bulgaria may already have West Nile virus circulating and expects a peak in August‑September, urging mosquito protection and hygiene measures.
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about 2 months ago
[HEALTH] 6 sourcesWest Nile virus causes first fatality in Andalusia, total cases climb to 17Andalusia records its first West Nile virus death, raising total infections to 17; alert zones and mosquito control intensified, while Extremadura starts early surveillance.
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about 2 months ago
[HEALTH] 2 sourcesRomania confirms first severe West Nile infection and investigates additional casesRomania reports its first severe West Nile case—a 22‑year‑old from Vaslui—treated in Iași, with two additional suspected patients under investigation and health officials urging early detection during mosquito‑
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about 2 months ago
[HEALTH] 4 sourcesWest Nile virus cases rise in Seville, prompting expanded alert areaTwo new West Nile cases raise infections to 11 in Seville, prompting expanded alert zones and heightened mosquito control after a neurological case is confirmed.
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about 2 months ago
[HEALTH] 2 sourcesOristano reports fourth West Nile fever case in 2026Oristano province confirms a fourth West Nile fever case in 2026, an 85‑year‑old hospitalized; health authorities start investigations and urge mosquito‑bite prevention.
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about 2 months ago
[HEALTH] 21 sourcesWest Nile virus cases surge in Greece, Italy and North MacedoniaWest Nile virus infections rise in Greece (42 cases, 4 deaths), Italy (21 cases) and North Macedonia (13 cases), prompting travel warnings and mosquito‑control measures across the region.
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about 2 months ago
[HEALTH] 36 sourcesGreece records 42 West Nile infections, 4 deaths as cases surgeGreece reports 42 West Nile cases (four deaths) and Italy 84 cases (two deaths) as the virus spreads, prompting high‑risk alerts and mosquito‑control measures.
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about 2 months ago
[HEALTH] 8 sourcesAndalusia reports nine West Nile virus cases as alerts extendAndalusia confirmed nine West Nile virus cases—all in Sevilla province—adding three new infections, extending alerts to 20‑21 August and urging protective measures.
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about 2 months ago
[HEALTH] 2 sourcesWest Nile virus prompts health alerts and mosquito‑bite precautions across North AmericaHealth agencies in Canada and the US issue alerts urging mosquito‑bite prevention and symptom monitoring as West Nile virus risk rises this summer.
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about 2 months ago
[HEALTH] 3 sourcesWest Nile virus detected in mosquitoes in Ontario’s Arnprior and New York’s Suffolk CountyWest Nile virus was found in mosquito samples from Arnprior, Ontario, and Suffolk County, New York, prompting health officials to advise mosquito‑bite prevention and habitat control.
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about 2 months ago
[HEALTH] 13 sourcesWest Nile neuroinvasive case hospitalized in Naples, ItalyA 77‑year‑old man from Marano, Naples was hospitalized with neuroinvasive West Nile virus; his condition improved and discharge is imminent. The case is the sixth this summer in Campania, amid criticism of a st
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about 2 months ago
[HEALTH] 2 sourcesEl Paso reports two new severe West Nile virus casesEl Paso health officials report two new severe West Nile virus cases, raising total severe infections to four in 2026 and urging residents to follow the “Four D” mosquito‑prevention measures.
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about 2 months ago
[HEALTH] 5 sourcesWest Nile Virus Case Detected in Coria del Río, SpainA fifth mild West Nile virus case was confirmed in Coria del Río, Spain, extending the health alert to 14 August and adding nearby towns to a four‑week alert with intensified mosquito control.
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about 2 months ago
[HEALTH] 76 sourcesWest Nile virus cases surge in Italy, Greece and Southern EuropeECDC reports 81 West Nile cases in Europe, led by Italy (46) and Greece (21). WHO urges mosquito protection as the virus spreads across southern Europe, prompting travel warnings in Spain.
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about 2 months ago
[HEALTH] 52 sourcesWest Nile virus cases rise in Southern EuropeWHO alerts to rising West Nile cases in Greece, Italy and other Southern European nations, with dozens of neuroinvasive infections but no deaths; health agencies urge mosquito control and protective measures.
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2 months ago
[HEALTH] 5 sourcesSouthern California sees surge in West Nile‑carrying mosquitoesSouthern California experiences a spike in West Nile‑carrying mosquitoes and rising Aedes aegypti numbers, leading to two human cases and a large release of modified mosquitoes to curb the season‑long threat.
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2 months ago
[HEALTH] 2 sourcesHelicopter Aerial Spraying to Combat Mosquitoes Begins in Orestiada, GreeceA three‑day helicopter spraying of insecticide began on 20 July 2026 in Orestiada, Greece, aiming to curb mosquito nuisance and prevent West Nile virus, officials said.
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2 months ago
[HEALTH] 3 sourcesWest Nile virus warning for Greece as summer mosquitoes riseWest Nile virus spreads via mosquito bites in Greece, usually causing mild symptoms but can lead to severe neurological illness in vulnerable groups; prevention and early medical attention are essential.
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2 months ago
[HEALTH] 3 sourcesFirst West Nile‑positive mosquito batch detected in Ajax, Durham RegionDurham Region health officials report the first mosquito batch of the season testing positive for West Nile virus in Ajax, urging residents to use repellent and eliminate standing water.
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2 months ago
[HEALTH] 3 sourcesWest Nile Virus Study Shows Brain Defense, NY Health Dept Urges Mosquito PrecautionsResearchers revealed the brain’s early antiviral response to West Nile virus, while NY health officials urge mosquito‑bite prevention to curb the disease.
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2 months ago
[HEALTH] 3 sourcesWest Nile virus claims first Romanian death as three cases confirmedThree West Nile virus cases were confirmed in Romania, one death and two hospitalizations, prompting health warnings amid hot weather.
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2 months ago
[HEALTH] 2 sourcesFirst locally acquired West Nile case identified in France's Pyrénées-OrientalesFrance recorded its first locally acquired West Nile virus infection of 2026 in the Pyrénées‑Orientales, the country's first human case this year, according to Santé publique France.
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2 months ago
[HEALTH] 7 sourcesWest Nile and dengue alerts spread in Cuba, Mexico, Spain and USWest Nile virus detections trigger alerts in the US and multiple Spanish locales, while dengue monitoring continues in Cuba and Mexico and mosquito plagues spark fumigation efforts in Spain.
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2 months ago
[HEALTH] 15 sourcesGlyfada, Greece, launches mosquito spraying after West Nile virus case confirmedA West Nile virus case in Glyfada, Greece, led to early‑morning mosquito spraying on multiple streets, with authorities urging residents to use repellents and remove standing water.
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2 months ago
[HEALTH] 2 sourcesUtah homeowners urged to adopt preventive pest controlUtah pest experts advise interior, exterior and yard treatments to curb ants, cockroaches, bedbugs and black‑widow spiders, noting larger colonies and milder winters increase risks.
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2 months ago
[HEALTH] 3 sourcesWest Nile virus case confirmed in Attica, GreeceGreece confirmed two West Nile virus cases in Attica – one in Agia Paraskevi and another in Glyfada – prompting mosquito spraying, red‑zone alerts and public health advice.
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2 months ago
[HEALTH] 2 sourcesFirst West Nile Virus Case Detected in Lazio, ItalyItaly's Lazio region reported its first 2026 West Nile virus case in a 29‑year‑old from Latina, underscoring effective surveillance as the disease spreads nationwide.
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2 months ago
[HEALTH] 6 sourcesWest Nile virus cases surge early in US 2026, Arizona epicenterThe 2026 West Nile season hits the US early, with 48 cases—32 in Arizona's Maricopa County—and a first Los Angeles County case, prompting heightened mosquito‑control warnings.
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2 months ago
[HEALTH] 2 sourcesItaly's Emilia region asks for funds to fight West Nile virus while Calabria reports health service gainsEmilia-Romagna seeks emergency funds to combat West Nile virus spread, while Calabria cites a record rise in health service LEA scores, ending prior commissioner oversight.
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2 months ago
[HEALTH] 6 sourcesWest Nile virus case confirmed in Alicante, SpainA 53‑year‑old man in Alicante tested positive for West Nile virus on 1 July; he has been discharged after hospitalisation. Health officials are boosting mosquito surveillance and advising personal protection.
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2 months ago
[HEALTH] 2 sourcesCoarse Salt Recommended to Eliminate Drain Odors and Pests in Brazilian HomesBrazilian households are advised to use coarse kitchen salt in drains to neutralize odors, inhibit bacteria, and deter pests, offering a cheap, chemical‑free cleaning method.
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2 months ago
[HEALTH] 2 sourcesWest Nile virus found in mosquito samples across California countiesMosquitoes in Ventura County and the Coachella Valley tested positive for West Nile virus, prompting health alerts and mosquito‑control measures across the California communities.
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2 months ago
[HEALTH] 3 sourcesFirst human West Nile virus cases confirmed in Texas Denton County and Mississippi Hancock CountyHuman West Nile virus cases were confirmed this season in Denton County, Texas and Hancock County, Mississippi, prompting health alerts and mosquito precautions.
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2 months ago
[HEALTH] 10 sourcesGreece reports first West Nile virus case of 2026Greece's health agency reported the first West Nile virus case of 2026 – a senior patient with meningo‑encephalitis likely infected in Agia Paraskevi – and issued mosquito‑control and personal‑protection advice
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2 months ago
[HEALTH] 5 sourcesEmilia-Romagna reports early, extensive West Nile virus activity across six provincesEmilia‑Romagna’s health authority reports early West Nile virus activity in mosquitoes across six provinces, the widest and earliest since 2008, with no human cases yet but heightened risk and preventive advice
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2 months ago
[HEALTH] 3 sourcesWest Nile virus found in mosquitoes in Seville and Almería, SpainWest Nile virus was detected in mosquitoes in Seville and Almería, prompting heightened surveillance and prevention measures, while doctors in Alicante warn of rising allergic reactions to mosquito bites and ad
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2 months ago
[HEALTH] 4 sourcesCalifornia sees fastest West Nile spread in 20 years, urges mosquito precautionsCalifornia health agencies report record early West Nile activity, prompting bite‑prevention advice and a new Wolbachia‑mosquito release program in Contra Costa.
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3 months ago
[HEALTH] 4 sourcesSkopje Clinic Confirms Two West Nile Fever CasesThe University Clinic for Infectious Diseases in Skopje confirmed two West Nile fever cases; both patients are hospitalized and monitored, and authorities urge mosquito‑bite protection as similar regional cases
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3 months ago
[HEALTH] 4 sourcesMacedonia confirms two West Nile virus cases at University Infectious Diseases ClinicMacedonia’s University Infectious Diseases Clinic confirmed two West Nile virus cases, hospitalising both patients and urging mosquito‑bite prevention as the summer season heightens risk.
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3 months ago
[HEALTH] 4 sourcesWest Nile Virus Cases Confirmed at Skopje Infectious Disease ClinicTwo West Nile virus cases were confirmed at Skopje's infectious disease clinic; patients are hospitalized, and officials urge mosquito‑bite prevention as summer mosquito activity rises.
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3 months ago
[HEALTH] 2 sourcesTwo West Nile fever cases confirmed in Skopje, MacedoniaTwo West Nile fever infections were confirmed at Skopje's University Infectious Diseases Clinic; both patients are hospitalized and officials urge mosquito‑bite protection.
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3 months ago
[HEALTH] 4 sourcesUS CDC warns early and intense West Nile virus seasonCDC reports the earliest West Nile season in over 20 years, with 48 cases (38 neuroinvasive) across 23 US states and a surge in Arizona, urging mosquito‑bite prevention.
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3 months ago
[HEALTH] 2 sourcesWest Nile Virus Outbreak Prompts Widespread Mosquito Alerts in Arizona and CaliforniaArizona reports 29 West Nile cases and four deaths, issuing urgent outdoor safety warnings, while California finds infected mosquitoes in ten cities, urging repellents and water removal.
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3 months ago
[HEALTH] 7 sourcesCDC warns early West Nile virus surge across the United StatesCDC reports an early, record‑early West Nile virus season with 48 U.S. cases, 38 severe, mainly in Arizona, and urges mosquito‑bite prevention measures.
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3 months ago
[HEALTH] 2 sourcesAlmería health authorities deploy ~100 inspectors for West Nile virus mosquito surveillanceAlmería deploys about 100 health inspectors and weekly mosquito traps to monitor West Nile virus, while officials urge repellents, long clothing and removal of standing water to prevent infection.
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3 months ago
[HEALTH] 5 sourcesWest Nile virus cases surge in US, prompting mosquito warnings from Arizona to California and MinnesotaWest Nile virus cases rise across the US, with 25 infections and two deaths in Arizona, positive mosquitoes in California and Minnesota, and new animal detections prompting mosquito control warnings.
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3 months ago
[HEALTH] 2 sourcesUS counties issue West Nile virus mosquito alertsLake County and Contra Costa County report the first West Nile‑positive mosquitoes of the year, urging residents to eliminate standing water, use EPA‑approved repellents, and monitor for dead birds to prevent a
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3 months ago
[HEALTH] 4 sourcesSerbia reports zero human West Nile virus cases as surveillance continuesSerbian health officials say no human West Nile virus cases have been recorded as of 22 June 2026, while surveillance continues amid ongoing European transmission.
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3 months ago
[HEALTH] 6 sourcesVeneto records first human West Nile case, intensifies mosquito controlVeneto confirmed its first human West Nile case (22 June 2026) and launched heightened mosquito control, free larvicide distribution, and updated blood‑transplant safety measures.
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3 months ago
[HEALTH] 10 sourcesWest Nile cases surge in Italy as health officials stress mosquito controlItaly recorded 773 West Nile cases in 2025, a 133 % rise, but strict blood‑donor screening stopped any transmission; officials urge mosquito‑control measures.
Sources
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This summary has been updated 95 times: see revision history