West Nile Virus - California Cumulative Sentinel Flock Map
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California Department of Health
U.S. Department of the Interior | U.S. Geological Survey http:// diseasemaps.usgs.gov /2001/california/ca_sentinel_mar_04.html For web page questions, contact: West Nile Web Team Last modification: Wednesday, 09-Jan-2013 15:59:02 EST jf USGS Privacy Statement