Yellow fever, dengue Fever, Zika, those are serious diseases that usually occur in far-away tropical environments, but Contra Costa County officials sounded the alarm that the mosquitoes that transmit ...

CONCORD -- The yellow fever mosquito, an invasive species that bites during the day, has been confirmed in Contra Costa County, the Mosquito and Vector Control District said Friday. The district, ...

Contra Costa County will spray part of Antioch this week for invasive yellow fever mosquitoes. The county's mosquito and vector control district will go after the day-biting mosquito species, known as ...

(BCN) — Contra Costa County will spray part of Antioch this week for invasive yellow fever mosquitoes. The county’s mosquito and vector control district will go after the day-biting mosquito species, ...

A species of invasive, "aggressive" mosquitoes known for transmitting yellow fever is spreading in California, according to local health officials. Multiple counties across the state, including Contra ...

Outbreaks of vaccine-preventable diseases such as measles, meningitis, and yellow fever are on the rise globally amid misinformation and cuts to international aid, the United Nations and the Gavi ...

Contra Costa County will spray part of Antioch this week for invasive yellow fever mosquitoes. The county's mosquito and vector control district will go after the day-biting mosquito species, known as ...