Marin Influenza Activity
Marin County Department of Health and Human Services tracks influenza activity by analyzing laboratory testing data and visits to local emergency departments for influenza-like illness. The influenza season runs from early October to late May, usually peaking between late December and early February. During influenza season, we produce a weekly influenza surveillance report that summarizes influenza activity in Marin County, California, and the United States.
2012-2013 Influenza Season Data
Two weeks ending April 6, 2013
Two weeks ending March 23, 2013
Two weeks ending March 9, 2013
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