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West Nile virus

Featured in 39 tracked stories · first seen

Situations

[ACTIVE] [HEALTH] [GR] [IT] [ES]

West Nile virus cases surge across Europe and the US

91 clusters · 865 sources · last updated

Latest: West Nile virus cases and deaths rise in Romania and Greece

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 infec

[ACTIVE] [HEALTH] [US] [GR] [HR]

West Nile virus surge in North America, Europe, and Balkans

18 clusters · 270 sources · last updated

Latest: Croatia reports 15 West Nile virus infections

Public health agencies in North America, Europe, and the Balkans continue to report West Nile virus activity. In the United States, activity has expanded into the Southeast and Northeast. In Florida, Duval County reporte

[ACTIVE] [HEALTH] [DE] [ES] [IT]

European heatwave, drought, and logistics crisis intensifies

1059 clusters · 4936 sources · last updated

Latest: Central European agriculture faces massive losses from drought and frost

The 2026 European heatwave and drought crisis has escalated into a widespread agricultural, economic, and logistical emergency. The summer was characterized by record-breaking heat and significant precipitation deficits.

[ACTIVE] [HEALTH] [NL]

West Nile virus outbreaks in Europe

3 clusters · 15 sources · last updated

Latest: West Nile virus deaths rise in the Netherlands

West Nile virus has caused fatalities and multiple infections in parts of Europe. In the Netherlands, the National Institute for Public Health and the Environment (RIVM) has reported an increase in human infections. As o

[ACTIVE] [HEALTH] [BR] [CL] [PE]

Brazil health response expands amid measles and West Nile

131 clusters · 645 sources · last updated

Latest: São Paulo reports 36 confirmed measles cases in 2026

Following the Pan American Health Organization’s warning of a Southern‑Hemisphere respiratory virus surge, Brazil’s health authorities intensified surveillance and vaccination efforts throughout the 2026 winter. Early me

[ACTIVE] [HEALTH] [MX] [ES] [PA]

Mexico mosquito and screwworm control efforts

9 clusters · 50 sources · last updated

Latest: Dengue cases and deaths rise across Mexico

In early August 2026, Mexico’s federal and state health secretariats rolled out preventive actions against zoonotic and food-borne threats, including warnings about the livestock-infesting Gusano Barrenador in Chihuahua,

[QUIET] [HEALTH] [US] [FR] [BE]

West Nile virus spreads in Europe and North America

16 clusters · 56 sources · last updated

Latest: Colorado reports two equine West Nile virus cases

In the United States, West Nile virus (WNV) continues to impact equine populations and is increasingly detected in mosquito populations. In Florida, an under-vaccinated 16-year-old Quarter Horse in Indian River County wa

[QUIET] [HEALTH] [GR]

West Nile virus prevention in Greece

2 clusters · 5 sources · last updated

Latest: Municipality of Thebes intensifies mosquito control to combat West Nile Virus

Local authorities in Greece have implemented mosquito control measures to prevent the spread of the West Nile virus. In the community of Karitsa, the Municipality of Dion-Olympus scheduled emergency night-time spraying

[QUIET] [POLITICS] [GR]

Thessaly flood prevention project

2 clusters · 6 sources · last updated

Latest: Attica Region approves 4 million euros for Lykovrysi-Pefki urban projects

The Thessaly Region has announced a €4.8 million flood prevention and infrastructure project in the Pyli Municipality of Trikala. The initiative focuses on regulating the Portaikos River through technical works such as c

[QUIET] [HEALTH] [US]

West Nile virus human case reports and medical guidance

2 clusters · 5 sources · last updated

Latest: Massachusetts raises West Nile virus risk to high in several cities

Health officials in the United States reported the first human cases of West Nile virus for 2026 in Utah and Maryland. In Utah, mosquito testing showed a significant increase in virus detection compared to previous years

[QUIET] [HEALTH] [BE] [RO]

West Nile virus blood safety measures in Europe

2 clusters · 5 sources · last updated

Latest: Romania implements blood donation restrictions due to West Nile virus

Following the detection of the West Nile virus, health authorities in Belgium and Romania have implemented measures to protect blood transfusion recipients. In Flanders, Red Cross Flanders began extra testing of certain

[QUIET] [HEALTH] [GR] [MK] [FR]

West Nile fever escalates in Balkans and California

32 clusters · 153 sources · last updated

Latest: North Macedonia identifies septic tanks as West Nile virus risk

The West Nile fever epidemic in North Macedonia has expanded, with health authorities reporting 43 total cases, including 40 confirmed infections. Four deaths have been recorded, primarily among elderly citizens in the S

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