human cases

YTD: 78 Counties: 13
There were 5 new WNV positive human cases reported in California this week from the following counties: Orange (2), Riverside (1), Sacramento (1), and San Diego (1). There have been 0 WNV-related fatalities reported in California this year. 78 human cases from 13 counties have tested positive for WNV in 2008.

horses

YTD: 5 Counties: 4
There has been 1 WNV-related horse euthanized or died in California this year from Riverside county. 5 horses from 4 counties have tested positive for WNV in 2008.

dead birds

YTD: 1,135 Counties: 32
There were 148 new WNV positive dead birds reported in California last week from the following counties: Butte (4), Colusa (1), Contra Costa (5), Fresno (1), Glenn (1), Kern (2), Los Angeles (24), Orange (46), Placer (1), Riverside (2), Sacramento (6), San Bernardino (17), San Diego (35), San Joaquin (2), and Tulare (1). 1,135 dead birds from 32 counties have tested positive for WNV in 2008.

mosquito samples

YTD: 906 Counties: 23
There were 194 new WNV positive mosquito samples reported in California last week from the following counties: Fresno (1), Lake (1), Los Angeles (97), Orange (9), Placer (8), Riverside (10), Sacramento (18), San Bernardino (19), San Diego (2), San Joaquin (13), Stanislaus (11), Sutter (2), and Tulare (3). 906 mosquito samples from 23 counties have tested positive for WNV in 2008.

sentinel chickens

YTD: 63 Counties: 9
There were 13 new WNV positive sentinel chickens reported in California last week from the following counties: Butte (2), Los Angeles (5), Riverside (3), and Stanislaus (3). This is the first WNV positive sentinel chicken from Butte County this year. 63 sentinel chickens from 9 counties have tested positive for WNV in 2008.

squirrels

YTD: 6 Counties: 3
There was 1 new WNV positive squirrel reported in California last week from Los Angeles County. This is the first WNV positive squirrel from Los Angeles County this year. 6 squirrels from 3 counties have tested positive for WNV in 2008.