SANTA CLARA COUNTY, Calif. – The County of Santa Clara Vector Control District has detected the first invasive Aedes aegypti mosquitoes of 2025 in a South San Jose neighborhood, highlighting the importance of collaboration between County experts and community members in preventing the spread of the day-biting mosquito. Aedes aegypti is a non-native mosquito that can spread infectious diseases that do not typically occur in the United States, including dengue, chikungunya, Zika, and yellow fever.
The Vector Control District found the mosquitoes in the Santa Teresa neighborhood of South San Jose, one of the locations where Aedes aegypti was detected in 2024. The district trapped 388 of the invasive mosquitoes last year in six locations in the cities of San Jose, Gilroy, and Santa Clara and worked to eliminate the mosquitoes and remove the stagnant water in which they were laying eggs…