Mosquito-Borne Diseases

Overview April 23, 2016

While there have been no reported human cases of West Nile virus in San Mateo County, it’s best to practice good prevention and fight the mosquito bite. Although most people who become infected with the virus never develop any symptoms, some people may develop a more serious illness, such as meningitis or encephalitis. WNV is a seasonal epidemic in North America that flares up in the summer and continues into the fall.

General information May 11, 2016

Traveled Abroad Recently? Things to Know about Zika Virus

Zika virus is primarily spread to people through mosquito bites. The most common symptoms of Zika virus disease are fever, rash, joint pain, and red eyes. The illness is usually mild with symptoms lasting from several days to a week. It can also be transmitted from a pregnant mother to her baby during pregnancy or around the time of birth.

Outbreaks of Zika have occurred in parts of Africa, Southeast Asia, the Pacific Islands, and Latin America.

Mosquito-Borne Diseases

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