West Nile Virus Activity - Alameda County Mosquito Abatement District

West Nile Virus Activity

	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021
Birds	0	15	18	97	19	11	2	20	0	7	2
Mosquitoes	0	0	0	16	16	2	0	15	0	0	0
Horses	0	0	0	0	0	0	0	0	0	0	0
Humans	0	2	0	1	0	0	1	0	0	0	0

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