• What is a Corvid?A corvid is a bird that is a member of the Corvidae family (or crow family), which includes crows, blue jays and ravens. Corvids appear to be especially susceptible to West Nile virus infection and can be used as an early indicator of the virus in an area.

• Mosquitoes submitted and tested for WNV by Zip Code, 2013  Map of mosquitoes collected by Michigan's mosquito control districts, and tested by the Michigan State University Department of Microbiology and Molecular Genetics.

• WNV Equine Testing Results, 2013  Map of results of testing on equines (horses) submitted to the Michigan State University Diagnostic Center for Population and Animal Health.

• Wildlife, Domestic, and Zoo Animal Testing Results - 2013  Map of results of testing on wild birds and mammals (non corvid), domestic and zoo animals (excludes horses) submitted to the Michigan State University Diagnostic Center for Population and Animal Health.

• West Nile Virus Human Cases, 2013  Map of human testing results confirmed by the Michigan Department of Community Health, Bureau of Laboratories.

• Sick/Dead Corvids Reported by Citizens including West Nile Virus testing results by Zip Code, 2013  Map of corvids reported via the on-line reporting form found dead or with symptoms of West Nile Virus infection.

• Other Arboviruses in Humans Testing Results, 2013  Map of results of testing for arboviruses (insect-borne viruses) other than West Nile Virus in humans, as diagonosed by the Michigan Department of Community Health Bureau of Laboratories.

• Week-by-Week Summary of Sick/Dead Corvids Reported by County, 2013  Table of corvids reported via the on-line reporting form, by week and by county. Corvid numbers per week are based on the date the bird was observed sick or dead. Only counties with corvid birds reported will be listed.

• Corvids Reported by County Table of corvids reported via the on-line reporting form, updated daily at 4 am. Only counties with corvids reported sick or dead will be listed in the drop-down box.

• All Wildlife Reported Table of all wildlife reported (includes corvids) via the on-line reporting form, updated daily at 4 a.m.

• Wildlife, Domestic and Zoo Animal Testing Results (excludes corvids), 2013  Table of testing results on non-corvid birds and mammals submitted to the Michigan Department of Natural Resources and the Michigan State University Diagnostic Center for Population and Animal Health. Table is updated as results become available.

• West Nile Virus Human Cases, 2013  West Nile virus human cases by county, age, sex and fatality, confirmed by the Michigan Department of Community Health, Bureau of Laboratories.

• Mosquito Testing Results, 2013  Table of testing results for mosquitoes tested by the Michigan State University Department of Microbiology and Molecular Genetics.

• 2012 Surveillance Maps

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• 2008 Surveillance Maps

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• 2006 Surveillance Maps

• 2005 Surveillance Maps

• 2004 Surveillance Maps

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• 2012 Tables

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• 2001 Tables