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Press Release

Health Officials Push for Prevention after Contra Costa's First Human Case of West Nile


Tuesday, September 11, 2012



Archived. This is an older press release from 2012 and may not contain the latest information. Please view our current press releases for 2014 items.


Contra Costa health officials today said residents should remain vigilant in taking steps to protect themselves from West Nile virus following an announcement of the county's first human case of 2012. There were three confirmed human cases of West Nile virus in Contra Costa County last year.

A state laboratory in Richmond on Thursday confirmed a Central County woman was infected with the virus. She had mild illness and is expected to make a full recovery. There have been no fatalities related to West Nile virus in Contra Costa since 2006.

West Nile virus is spread to humans from the bite of infected mosquitoes, according to Susan Farley, the Communicable Disease Controller with Contra Costa Health Services. "It is important to remember that West Nile virus is absolutely preventable," she said. "The best thing people can do is to wear insect repellant outdoors, avoid going outside around dawn and dusk, and dump and drain standing water where mosquitoes breed."

Farley said insect repellents with DEET are most effective and that people should also report neglected swimming pools, which often act as breeding grounds for mosquitoes.

West Nile virus can cause fever, head and body aches, nausea and vomiting, swollen lymph nodes and skin rash. Farley said that although West Nile virus can be a severe disease, most people who become infected do not develop any of these symptoms.

Additional information about how to protect yourself and your home from West Nile virus is available at www.cchealth.org and 1-888-959-9911. For more information about mosquito abatement in Contra Costa County, contact the Contra Costa Mosquito & Vector Control District at www.contracostamosquito.com or 925-771-6196.

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