Information copied from http://www.westnile.ca.gov/ on November 2, 2005.
For up-to-date information, please consult their webpage.

West Nile Virus in California In 2005:

54 counties have reported WNV activity in California this year.
887 individuals from 40 counties have been infected with WNV in 2005.

To date in 2005, there have been 18 WNV-related fatalities.
451 horses* have tested positive for WNV in 42 counties, of these 199 have died or been euthanized.
2,951 dead birds in 52 counties have tested positive for WNV.
1,235 mosquito pools** from 29 counties have tested positive for WNV.
754 sentinel chickens from 29 counties have tested positive for West Nile/Saint Louis Encephalitis (SLE)*** antibodies.