West Nile Virus Activity 2011201220132014201520162017201820192020202120222023 Birds01518971911220082082Mosquitoes00016162015000022 Humans0201001000011 2023 Alameda County WNV activity2021 Alameda County WNV activity2020 Alameda County WNV activity2018 Alameda County WNV activity2017 Alameda County WNV activity2016 Alameda County WNV activity2015 Alameda County WNV activity2014 Alameda County WNV activityCalifornia West Nile virus activityNational West Nile virus activity
