California Today

As California Warms, Dengue Fever Cases Expected to Rise

09 June 2026 11:10

California's warming climate is expected to increase local transmission of dengue fever, a mosquito-borne disease. The Aedes aegypti mosquito, which carries the virus, is thriving in warmer conditions.

- Dengue fever, also known as 'breakbone fever,' causes severe joint pain and high fever. - Historically rare in California, local outbreaks could become more common.

- Mosquito control and public awareness are key to reducing risk. Public health officials urge communities to eliminate standing water and take precautions against mosquito bites to prevent the spread of the disease.

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