West Nile Virus reports from Arizona, California (4), and New Jersey (2).

American Crow

Arizona 07/09/10 myfoxphoenix.com: Phoenix  – State health officials say six Arizonans have tested positive for West Nile virus and more cases are expected.  Officials with the Arizona Department of Health Service said Friday that all six cases so far involve residents of Maricopa and Pinal counties.  The ADHS doesn’t publicly confirm its first case until it makes its way through both a commercial lab and the state’s lab.  Last year, there were 20 human cases of West Nile in Arizona — all but one in Maricopa County. There were no reported deaths.

California 07/09/10 about.com: Hot temperatures and standing water contribute to summer outbreaks of West Nile virus, and two dead birds in Yolo County, California have become the most recent confirmed cases. Other dead birds and mosquito samples near Sacramento have also been confirmed with the virus this year, according to the Modesto Bee.

California 07/08/10 mercurynews.com: Nearly half the dead birds that have tested positive for West Nile virus in California since the start of this year have been found in Santa Clara County, and a state report shows that Cupertino, Campbell and southwest San Jose may be particularly active.  The Santa Clara County Vector Control District confirmed last week the positive detection of West Nile virus in two crows recently found in Cupertino, bringing the number of infected birds reported in the county to 20. Statewide, about 40 dead birds with the virus have been reported this year.  American crows were found dead on June 4 on Dumas Drive and on June 24 on Cupertino Road. Both tested positive for infection, according to Noor Tietze, a manager with the vector control district. Last week, the district placed 40 carbon dioxide-baited mosquito traps within a one-mile radius of the Cupertino Road location. Officials are waiting for results of an in-house diagnostic test used to check mosquitoes for the presence of West Nile virus, which is transmitted by mosquito bites.  In recent weeks, the district also reported three crows with the virus in Sunnyvale. The birds were reported dead on Crater Lake Court, Knowlton Drive and Azalea Drive in June.  Another infected crow was recovered near

Western Scrub Jay

the intersection of Bollinger Road and Johnson Avenue in San Jose, near the border of Cupertino in mid-May. Of the birds that tested positive, 19 have been crows and one was a western scrub jay, according to Tietze. Tietze said it is unknown why nearly half the dead bird reports have come out of Santa Clara County. He said the numbers had been down in previous years.

California 07/08/10 ksbw.com: Salinas – The Monterey County Health Department said Wednesday that a crow found in the Salinas area has tested positive for the West Nile virus.  It is the first dead bird to test positive for the virus in Monterey County during 2010.

California 07/08/10 wordpress.com: by K. Paye – Chico – Two birds found recently in Butte County have tested positive for the West Nile Virus.  Butte County Mosquito and Vector Control District Manager Matt Ball says the virus ramps up as it gets hotter outside.

New Jersey 07/09/10 nbc40.net: by Nichelle Polston – Northfield – A mosquito sample that tested positive for the West Nile virus was found in the 1200 block of Zion Road last month but (Atlantic) county officials just received the results.  Those living in the area have already been notified and advised to take every precaution necessary to keep more mosquitoes from breeding.  The county’s public health officer Pat Diamond said, “I know its been dry but sometimes you forget that there are certain nooks and crannies that are still out there that need to be emptied out.”

New Jersey 07/08/10 app.com: by Michael Amsel – The first positive report for the West Nile Virus in a bird has been confirmed by the Ocean County Health Department. It came from a crow collected in Toms River on July 6.  A total of 32 birds have been submitted from throughout the state and 13 of them have come from Ocean County, health officials said.  “We remain diligent in our surveillance of the West Nile Virus,” said Leslie Terjesen, public information officer for the Ocean County Health Department. “We respond to every call regarding dead crows or blue jays. If either tests positive, that is an indication that the virus is present in Ocean County.”

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