Officials in the East Bay urged residents to take precautions after the invasive Aedes aegypti mosquito was recently found at the Alameda County Fairgrounds.

Researchers in a lab at Stanford University are focused on a tiny predator that has an enormous, and sometimes deadly impact ...

"If Aedes aegypti becomes established in Alameda County, it can threaten public health and diminish quality of life," the ...

Thousands of cases of the chikungunya virus, which sickens people bitten by an infected mosquito, have broken out in China ...

The Aedes aegypti mosquito has rapidly expanded its territory across Southern Nevada. What started as a presence in just two ...

Mainland France recorded its earliest-ever local chikungunya outbreaks in May 2025, with 10 clusters (27 cases) across five ...

As international headlines focus on a fast-moving chikungunya outbreak in southern China that has sickened thousands, Florida ...

Hillsborough County Mosquito Management crews are spraying affected areas for several nights in a row and setting traps to ...

Aedes aegypti mosquitoes were first detected in California about a decade ago. Originally hailing from Africa, the species can transmit dengue, as well as yellow fever, Zika and chikungunya.

Aedes can transmit diseases such as chikungunya, dengue and Zika, but they haven’t been linked to an outbreak in California. They haven’t been tied to a case of the deadly West Nile virus, either.

There are nearly 200 types of mosquitoes in the U.S., but one of them -- Aedes aegypti -- has been making headlines for transmitting Zika virus more frequently than any of the others have so far.

The Aedes vittatus is endemic to the Indian subcontinent and has never been seen in the western hemisphere until now. The mosquito is “a proven vector of chikungunya, Zika, dengue, yellow fever ...