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Bird Species Commonly Affected by West Nile Virus

Some bird species are more likely to be affected by West Nile virus than others. These six species are the most commonly found infected in California, but any wild bird species can be reported for testing.

 

 

 

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Tick Surveillance
2016-2017 Winter Season

The District laboratory is taking advantage of breaks in rainy weather to collect ticks from parks and open space areas in San Mateo County.   Ticks are collected by dragging a tick flag – a large white piece of flannel attached to a wooden rod – over the vegetation alongside trails.  The main target species of tick is Ixodes pacificus, the western black-legged tick, which vectors Lyme disease, Borrelia miyamotoi infection, and anaplasmosis.  The ticks collected will be tested for the presence of bacteria that cause these diseases.  The Ixodes pacificus ticks are in

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January 2017 District Report

In this month’s District Report: 2016 by the numbers, biting black gnats, and more.

Click here to read the February 2017 District Report.

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Invasive Aedes Mosquitoes

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Request Service

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Board Meeting Agendas

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Laboratory Updates

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