LAKEPORT — West Nile virus was detected in a sample of 50 Western encephalitis mosquitoes collected Wednesday near Upper Lake, marking the first time West Nile virus activity was found in Lake County this year.
The most recent data posted by California Department of Public Health indicates 13 human cases of West Nile virus have been reported from five counties in California, with none occurring in Lake County.
Lake County officials warn that mosquitoes and the virus multiply faster in hot weather and recommended wearing long sleeves or using federally registered mosquito repellents to help prevent exposure to bites.
The Lake County Vector Control District works to reduce the risk of mosquito bites and West Nile virus but needs the public”s help with finding backyard sources such as neglected swimming pools or ornamental ponds.
Residents can request service, get mosquitofish, or report neglected swimming pools to 263-4770 or www.lcvcd.org.
Mosquitoes transmit West Nile virus to humans and a variety of animals.
Most people who become infected with the virus do not show symptoms and will recover uneventfully. As many as 20 percent of people will develop fever, headache and other nonspecific symptoms that may last several weeks.
Approximately one in 150 people will develop severe illness known as neuroinvasive disease. People older than 50 and diabetics appear to be at the most risk for more severe forms of disease.
There is no vaccine for humans. A vaccine is available for horses and is recommended.
For additional information on West Nile virus, visit http://www.westnile.ca.gov, http://www.cdc.gov/ncidod/dvbid/westnile/wnv_factsheet.htm or http://www.cdc.gov/ncidod/dvbid/westnile/RepellentUpdates.htm.
