West Nile Virus reports from Arizona (2), California (5), Colorado, Florida, Georgia, Illinois (3), Indiana, Louisiana (2), Mississippi, New York (2), Pennsylvania (3), Texas, Virginia, and Wisconsin.

Arizona 09/25/10 fox11az.com: A Pima County resident has tested positive for West Nile virus and the county’s health department is waiting for laboratory confirmation on a second probable human case.  The name, age and hometown of the person who tested positive was not released Friday. Officials say it’s the first human case of West Nile in Pima County this year.  The virus is transferred from bird to mosquito to human through a mosquito bite and can cause illness in people, horses and birds. Since the disease was discovered in Arizona in 2003, authorities say there have been about 100 confirmed human cases each year.  Earlier this month, state health officials said six Arizonans have died from the West Nile virus so far this year with a majority of the cases in Maricopa County. Last year, there were 20 reported human cases of West Nile in Arizona — all but one in Maricopa County — and no reported deaths.

Arizona 09/24/10 azjournal.com: Three mosquito samples from Navajo County submitted for testing at the Arizona State Laboratory have returned positive for West Nile virus, according to Navajo County Public Health Services District officials.  Samples were taken at various locations in central Navajo County.  The positive results follow an Aug. 13 report that a horse in the central part of the county succumbed to the virus. These positive mosquito samples provide further indication that West Nile virus is present in Navajo County. 

California 09/25/10 mercurynews.com: by Bonnie Eslinger – Two dead squirrels that tested positive for West Nile virus were found this

Rock Squirrel

week in San Carlos and Burlingame.  Chindi Peavey, an ecologist with the San Mateo County Mosquito and Vector Control District, said the dead animals are evidence that infected mosquitoes are in the area.  “We use the dead animals as a sentinel to know when we have an infection in mosquitoes,” Peavey said Thursday.  The district has collected a total of five West Nile-positive squirrels this year to date, including the animals found this week in San Carlos and Burlingame. Earlier this year, two infected squirrels were discovered in San Mateo and one in Redwood City.  In Contra Costa County, officials announced this week that a group of mosquitoes tested positive for the virus. San Mateo County has yet to turn up a mosquito with West Nile, Peavey said.  Earlier this month, an elderly Fresno County woman died of complications related to West Nile, California’s first such death of 2010, according to public health officials from that county. Statewide there have been 51 reported cases of human infection, including seven new cases this week from Fresno, Kern, Madera and San Joaquin counties, according to California’s West Nile virus website.

California 09/24/10 pleasantonweekly.com: Officials are warning boaters and other outdoor enthusiasts visiting Contra Costa County’s Delta area to take steps to prevent mosquito bites after a group of mosquitoes from Brentwood recently tested positive for West Nile Virus.  The mosquitoes were trapped near Garin Parkway and Sunset Boulevard, the Contra Costa Mosquito and Vector Control District said Monday.   “Several people last year contracted West Nile virus through mosquito bites they got while enjoying recreational activities in the Delta area,” district scientific program manager Dr. Steve Schutz said in a statement.  Two chickens from a flock in Holland Tract also tested positive for the virus.

California 09/24/10 modbee.com: by Carol Reiter – The airplane buzzing around Livingston Thursday evening was a sign that West Nile virus was found in the city for the first time this year.  Allan Inman, manager-entomologist for the Merced County Mosquito Abatement District, said mosquitoes testing positive for the virus have been found near Yamato Colony School.  “We have actually put out a mosquito warning,” Inman said. The warning is to residents that the virus has been found in the area.  Inman said there have been positive-test mosquitoes, chickens and birds found in the county, and although the weather may be cooler, the threat of the virus remains high.  There have been no human cases in Merced this year, Inman said. Last year, there were four cases in humans in the county, with one fatality. An elderly woman in Fresno has died of the virus this year.  Horses are also susceptible to the virus, and five horses have contracted the disease in Madera County. In two of those horses the disease was fatal. One horse in Stanislaus County has contracted the virus this year.  “There’s no excuse for any cases at all in horses, there’s a vaccine for them,” Inman said.  The district has found 14 positive birds in the county this year, 10 of those in Merced. The other birds were found in Newman, Los Banos and at the county line near Turlock.  The positive chickens were found on Bailey Road, close to Merced city limits, Inman said.

California 09/24/10 dailydemocrat.com: A horse that died in Dixon and a chicken in a county sentinel flock were infected with West Nile virus, county public health officials confirmed Wednesday.  In a press release issued Wednesday, health officials said lab results confirmed the virus in the horse and also a chicken that is part of the county’s sentinel surveillance flocks. According to the release, the horse had not been vaccinated.  The two cases are the first confirmed in 2010, according to Interim Solano Public Health Officer Michael Stacey.

California 09/23/10 laweekly.com: by J. Patrick Coolican – West Nile virus has been found in mosquitoes who can transmit to humans in Cerritos, Whittier, Rowland Heights, Encino and Reseda, making 47 cases in Los Angeles County in 2010.

Colorado 09/23/10 pagosasun.com: About a month ago, the State Veterinarians Office reported the first case of West Nile Virus (WNV) diagnosed in a Colorado horse in 2010.  Since that time, five more cases have been reported to the State Veterinarian’s Office in Colorado, for a total of six cases.   The 2010 WNV positive equine cases have been plotted on a map which is posted on a website at http://www.colorado/gov/ag/animals under the “News” heading. The WNV-positive horses that have been diagnosed are located throughout the state and are not localized to a particular region of the state. Positive equine cases have been reported from La Plata, Mesa, Montezuma, Prowers, Pueblo and Weld counties.

Florida 09/25/10 palmbeachpost.com: by Julius Whigham II – The Palm Beach County Health Department continues to find West Nile virus in sentinel chickens and Friday confirmed the virus in a horse.  A pony from Loxahatchee that was put down earlier this month had West Nile, a department news release stated. Sentinel chickens at seven sites across the county confirmed continued activity of the virus, according to the release.

Georgia 09/24/10 ajc.com: by Megan Matteucci – More people have been infected with West Nile virus in DeKalb County than anywhere else in Georgia this year, officials said.  On Friday, the DeKalb County Board of Health announced five residents have been diagnosed with the disease, including an 87-year-old woman who is still in the hospital.  Across Georgia, 10 cases have been reported this year, including one each in Fulton, Gwinnett, Clayton, Henry and Dougherty counties, in addition to the five in DeKalb, according to the state Department of Community Health.  None of the cases has been fatal, state officials said.  Health officials warned residents to still take precautions despite summer ending. Mosquitoes, which can carry West Nile virus, can survive in temperatures as low as 50 degrees and even after a cold front.  “A lot of people think it’s fall and you don’t need to think about mosquitoes,” said Juanette Willis, a Board of Health coordinator, “but August to October are the main times for the virus.”  Last year, DeKalb reported no human cases, Willis said.  This year, DeKalb’s cases, which were reported in Decatur, Tucker and Atlanta, include:

  • A 39-year-old man diagnosed on Aug. 22.
  • A 41-year-old man diagnosed on Aug. 27.
  • A 50-year-old woman diagnosed on Sept. 3.
  • An 87-year-old woman diagnosed on Sept. 6.
  • A 46-year-old man diagnosed on Sept. 7.


West Nile Virus Rash

All but the 87-year-old have been discharged from the hospital.  The Centers for Disease Control and Prevention has reported 381 cases nationally, including 12 deaths.  DeKalb also has found two birds that have tested positive for the virus, along with 23 infected pools, Willis said. The birds were found in Doraville and near Clarkston.  A horse also has tested positive in Cobb County.

Illinois 09/24/10 suntimes.com: A DuPage County resident was the first person to die from the West Nile virus in Illinois this year.  The Illinois Department of Public Health reported Wednesday that an Oak Brook woman in her 80s who was diagnosed in late August passed away from the mosquito-borne illness.  “We continue to see West Nile virus activity across Illinois, but we are seeing very high infection rates in mosquitoes in the northeastern part of the state,” IDPH Director Dr. Damon T. Arnold said in a press release. “Despite cooler temperatures, the threat of West Nile virus still exists. Senior citizens and people with weakened immune systems are especially vulnerable and need to continue to protect themselves against mosquito bites by using insect repellent or staying indoors.”  DuPage also reported the state’s first West Nile illness this year, involving a woman in her 50s.  As of Thursday morning, the state public health agency was reporting 14 human cases of the virus so far this year, five of them originating in DuPage. In addition to the deceased woman, the cases occurred in residents of Naperville, Carol Stream, Lombard and Elmhurst.  In all, 29 counties in Illinois have reported mosquito batches, birds or people testing positive for West Nile virus. The first evidence of the virus’ presence in the state came May 13, when two birds were reported as having tested positive for the disease — one in Carroll County, in the northwest corner of the state, and the other in St. Clair County, in southwest Illinois. Humans contract West Nile when they are bitten by mosquitoes that have picked up the virus by feeding on infected birds.  Five human cases of West Nile disease were reported in the state for 2009, and no deaths.

Illinois 09/23/10 pioneerlocal.com: A Waukegan man is the first reported human case of the West Nile virus in Lake County since 2007.  Lake County Health Department officials said that a 45-year-old resident of Waukegan contracted the virus. He became sick on Sept. 1, and was subsequently hospitalized, treated and discharged.  In addition to the human case, approximately 18 pools of mosquitoes have tested positive for West Nile virus in Lake County this year. The Health Department is continuing to urge people to take precautions against mosquito bites.

Illinois 09/23/10 go.com: An elderly woman from Oak Brook has died from the West Nile virus.  Her death is the first death attributed to West Nile this year in Illinois.  State health officials have confirmed 14 human cases of the West Nile virus across Illinois.

Indiana 09/25/10 indystar.com: Two Porter County residents have been diagnosed with West Nile virus, the Indiana State Department of Health announced Friday.  Around the state, mosquitoes in 47 counties have tested positive for the virus, which can cause fever, headaches and a rash. The number of cases of the disease normally peak at this time of year, state health officials said.  While the mosquito-borne virus is usually mild, some people will have a more severe form of it that can lead to encephalitis, meningitis and other neurological conditions. The disease can be deadly in those older than 50.

Louisiana 09/24/10 ksla.com: The Louisiana Department of Health and Hospitals confirmed three new human cases of West Nile Virus, bringing this year’s total to 12.  The three new cases are all from East Baton Rouge Parish, which leads the state with seven of the 12 cases.  Health officials characterize West Nile infections three ways: neuro-invasive, West Nile fever and asymptomatic.  Two of the new cases were neuro-invasive disease and the third was West Nile fever.  Three of the EBR cases are neuro-invasive disease, one case is West Nile Fever and three are asymptomatic cases.  Ascension Parish has one case each of neuro-invasive disease and West Nile Fever and two asymptomatic cases.  Red River Parish has one case of neuro-invasive disease.  A neuro-invasive illness is severe and typically results in a swelling of the brain or spinal cord. People with this illness are at risk of brain damage or death.  West Nile fever is less severe, with most people only suffering mild, flu-like symptoms.  Asymptomatic individuals were never ill and were only discovered to have the West Nile virus in their blood when blood work was done for some other reason, such as blood donation.

Louisiana 09/24/10 knoe.com: State health regulators have confirmed two new human cases of West Nile Virus, bringing this year’s total to 25.  The new cases are in Iberia and St. Tammany parishes.  The Department of Health and Hospitals said Friday that the new infections were characterized as neuro-invasive disease – the most severe form of the virus, which typically results in swelling of the brain and spinal cord.  Lesser infections are West Nile fever, which causes mild, flu-like symptoms, and asymptomatic, which means a person was never ill and only found to have the virus when blood work was done for some reason.  This year, West Nile Virus has been most prevalent in East Baton Rouge and Ascension parishes, with 12 cases and nine cases respectively. No deaths have been attributed to the virus this year.

Mississippi 09/23/10 chickasaw360.com: Health officials say one new case of West Nile virus has been reported in Mississippi, bringing the state total to five so far this year.  The Mississippi Department of Health said in a news release that the new case occurred in an adult in Calhoun County. Earlier, two positive cases were reported in Leflore County with one each in Coahoma and Scott counties.  Health officials say there have been two positive WNV mosquito samples reported in Madison and Hancock counties.

New York 09/24/10 longislandpress.com: by Timothy Bolger – The mosquito-borne West Nile virus has claimed a third life in Nassau County.  The latest person to die was a Town of North Hempstead resident over the age of 75. The county was home to the first and second West Nile fatalities of the year when two people over the age of 80 from the same township contracted the virus last month.  The news comes after two more Suffolk County residents have been confirmed to be infected with West Nile virus, bringing the county total to eight confirmed cases. New York State health officials suspect there may be another six in Suffolk as well.  There have been 40 cases in Nassau, bringing the total confirmed cases on Long Island to 48. There have been 84 infections statewide so far this year.  Four Nassau County residents died of West Nile virus in 2008 and 26 people have died statewide since 1999.  Mosquito season lasts from June 1 through Nov. 1.

New York 09/24/10 patch.com: by Paul Shapiro – Suffolk County Commissioner of Health Services Dr. James L. Tomarken said Thursday that the New York State laboratory has confirmed two new human cases of West Nile virus, including one in the Town of Huntington.  That person, an adult over the age of 55, began experiencing fever, nausea, vomiting diarrhea, and headache on Aug. 25. The patient was hospitalized and is currently recovering at a physical rehabilitation center.  The second confirmed case is an adult under the age of 55 from Town of Babylon who began experiencing fever, body aches, rash, headache, fatigue, and eye pain on Aug. 9. The patient was never hospitalized and is recovering at home.  These two cases bring the total number of human West Nile virus cases in Suffolk County to date this year to eight – six from the Town of Babylon and two from the Town of HuntingtonThere have been 42 human cases of West Nile virus identified in Suffolk County since 1999 as well as four deaths attributed the virus.

Pennsylvania 09/25/10 pennlive.com: by Matt Miller – As of Friday, there were 1,022 confirmed reports of the West Nile virus in Pennsylvania, according to state officials. Most involve infected mosquitoes, but there also were 13 cases of human infection, none of them fatal, and 17 bird cases.

West Nile cases reported in the midstate were:

  • Adams County: 50
  • Cumberland County: 22
  • Dauphin County: 15
  • Franklin County: 11, one human case
  • Lancaster County: 104, three human cases
  • Lebanon County: 32
  • Perry County: 0
  • York County: 55

Pennsylvania 09/24/10 fox43.com: by Christina Butler – Three people have the West Nile virus in Lancaster County. All cases were reported this month.  In addition, a dead crow found in East Hempfield Township is being tested for the virus.  Dr. Alan Peterson with Walter Aument Family Health Center in Quarryville says while the idea of getting the virus is serious, the chances are actually low. Only some of the mosquitoes carrying the virus will actually infect someone, and a percentage of those people won’t even get serious symptoms.  Still, he recommends always using a repellent with DEET. The proper percentage to look for in a product is around 30%.  The chance of catching West Nile will stick around until the first freeze, when the majority of mosquitoes will not survive.

Pennsylvania 09/24/10 goerie.com: by David Bruce – Erie County has trapped 12 batches of West Nile virus-infected mosquitoes this summer, the most since 49 batches were collected in 2003.  That’s despite the Erie County Department of Health’s setting almost 100 fewer mosquito traps in 2010 than it has in the past, said Doug Range, the county Health Department’s director of community health.  Range told board members that the county has collected five West Nile virus-infected birds, the most of any county in Pennsylvania in 2010. 

Texas 09/24/10 amarillo.com: by Sarah Nightingale – Texas health officials have confirmed that a Lubbock County woman and a Crosby County man both died of a West Nile Virus-related disease.  The Lubbock County woman was in her 90s and the Crosby County resident was in his 70s, said Chris Van Deusen, a spokesman for the Texas Department of State Health Services in Austin.  This year, there have been three Texas deaths caused by West Nile Virus: one in Lubbock County, one in Crosby County and one in Waller County, near Houston.  The Lubbock County death is the first West Nile Virus-related death since 2006 and the Crosby County case is the first death since 2003, according to the Texas Department of State Health Services.  The Lubbock County death was 98-year-old Slaton woman Elizabeth Kitten, said Rodney Kitten, her son. The woman died at Covenant Medical Center Aug. 28, but the cause of death was not immediately determined, Kitten said.  Statewide, there have been 26 cases of West Nile Neuroinvasive Disease this year, including the three deaths, Van Deusen said. Four of those cases were in Lubbock County, he said. Statewide, there were six deaths from the mosquito-borne disease in 2009, one in 2008 and 17 in 2007.

Virginia 09/24/10 delmarvanow.com: Virginia Beach health officials say they have found the West Nile virus among mosquito pools and in chickens.  Health department officials said Thursday in a release that biologists collected the virus-containing samples from several areas this month and earlier this summer, and are urging residents and visitors to protect themselves from mosquito bites.

American Crow

Wisconsin 09/24/10 dailyunion.com: The Jefferson County Health Department has reported that a dead crow found in Lake Mills on Sept. 16 has tested positive for West Nile Virus.  This marks the first bird testing positive for West Nile virus in Jefferson County since surveillance for the mosquito-transmitted virus began May 1. “We have positive birds every year, but there is no reason to panic,” Gail Scott, county health officer/public health director, said.


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