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Dengue and chikungunya cases 2026

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2026-08-02 19:52 UTC → 2026-08-05 17:32 UTC · added removed

In late July 2026 Delhi’s municipal health authority reported 212 dengue, 62 malaria and 14 chikungunya infections for the year, with six new dengue, four malaria and one chikungunya case recorded in the most recent week. The city’s case numbers were lower than the same period in 2025. A few days later, Spain’s Canary Islands health service noted recorded seven imported dengue cases and three imported chikungunya cases in the first week of August, matching earlier reports of imported infections. Nationwide, Spain confirmed 124 imported dengue and 108 imported chikungunya cases were linked mainly to travel abroad, chiefly to the Maldives, Bolivia and Cuba. While no local transmission was identified, officials highlighted the spread of Authorities continue to warn that the invasive tiger mosquito, Aedes albopictus mosquito across albopictus, now widespread along the Mediterranean coast and warned that rising temperatures coast, could enable autochthonous outbreaks, urging continued surveillance local transmission of dengue, chikungunya, Zika or yellow fever as temperatures rise. A later Spanish health alert covering epidemiological week 31 showed a surge to 137 imported dengue and public reporting. 113 chikungunya infections, with a sharp increase in chikungunya notifications from the previous year. The report also noted three imported Zika cases. In the United States, Florida’s Department of Health confirmed three locally transmitted dengue infections—the first such cases on the continental U.S. this year—signalling active Aedes aegypti transmission. The CDC recorded 1,443 dengue cases nationwide through 28 July, the majority imported, with Cuba identified as the leading source. Together, the reports updates illustrate ongoing expanding monitoring of dengue and chikungunya across disparate regions, showing both domestic case trends in India Asia, Europe and North America, highlighting imported case alerts in Europe, alongside concerns about mosquito‑borne transmission risks trends, emerging local transmission, and the heightened risk posed by climate factors. climate‑driven mosquito spread.

Versions

  1. 2026-08-05 17:32 UTC Dengue and chikungunya cases 2026
  2. 2026-08-02 19:52 UTC Dengue and chikungunya cases 2026

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