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West Nile Virus Activity

20112012201320142015201620172018201920202021
Birds01518971911220072
Mosquitoes00016162015000
Horses00000000000
Humans02010010000

 

2020 Alameda County WNV activity

2018 Alameda County WNV activity

2017 Alameda County WNV activity

2016 Alameda County WNV activity

2015 Alameda County WNV activity

2014 Alameda County WNV activity

California West Nile virus activity

National West Nile virus activity