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West Nile Virus, Previous Years' Data

For older or more comprehensive data, please contact us at info@smcmvcd.org

 

Dead Bird West Nile Virus Testing Data, San Mateo County, Historical

YearReportedTestedPositive
2022262590
2021302780
2020244851
2019233640
20184091275
2017404791
201652911115
201568715823
201450214721
2013318620

 

Mosquito* West Nile Virus Testing Data, San Mateo County, previous 5 years

YearPools TestedPositive
20221580
20211270
20202670
20191180
20181312

*Mosquito samples are female Culex mosquitoes pooled by species in groups ranging from 1-50 individuals per pool.

 

 

Equine Cases of West Nile Virus, San Mateo County

YearCases
20231
20220
20210
2020 
2019 
2018 
20170
20160
20150
20140
20130
20120
20110
20100
20090
20080
20070

 

Page last reviewed: November 14, 2023

 

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