West Nile Virus Activity

2005200620072008200920102011201220132014201520162017
Birds48301913101015189719112
Squirrels5211001104000
Chickens0000000N/A01N/AN/AN/A
Mosquitoes992110000161620
Horses2000000000000
Humans1101010201001

 

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