MARIN COUNTY, CA --
Marin County is now reporting its first death from the H1N1 flu.MOST POPULAR: Video, stories and more
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A 33-year old woman with pre-existing conditions died Tuesday evening at a hospital.
Marin has had 25 confirmed cases and 24 probable cases. Health officials say they're disturbed by the increase in the number of cases in the past two weeks.
The H1N1 flu has killed at least 18 Californians.
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