Alameda County Mosquito Abatement District

education

West Nile Virus Activity

2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016
Birds 23 48 30 19 13 10 1 0 15 18 97 19 10
Squirrels N/A 5 2 1 1 0 0 1 1 0 4 0 0
Chickens 0 0 0 0 0 0 0 0 N/A 0 1 N/A N/A
Mosquitoes 0 9 9 2 1 1 0 0 0 0 16 16 2
Horses 0 2 0 0 0 0 0 0 0 0 0 0 0
Humans 0 1 1 0 1 0 1 0 2 0 1 0 0

2015 Alameda County WNV activity

2014 Alameda County WNV activity

California West Nile virus activity

National West Nile virus activity