Medical Entomology

31January2007

We have reached the time of year when mosquitoes are no longer active, but we may see a few more cases of West Nile virus infection. As of the 31st of January, 36 cases of WNV-associated disease have been reported. West Nile virus positive samples include mosquitoes (Dubuque, Polk (x2), Pottawattamie (x3), Scott (x6), Story (x2), and Woodbury counties), sentinel chickens (Black Hawk (x2), Cerro Gordo (x3), Dubuque, Linn, Ringgold (x2), Scott (x2), and Woodbury (x7) counties), wild birds (Blackhawk, Benton, Bremer, Buchanan, Chicksaw, Clay, Clinton, Crawford, Delaware, Dubuque, Grundy, Johnson, Hamilton, Linn, Lyon, Plymouth, Pocahontas, Pottawattamie (x2), Sac, Sioux, Story, Warren, and Woodbury (x3) counties), horses (Buena Vista, Cerro Gordo, Davis, Jackson, Mitchell, Osceola, Washington (x3), Winneshiek, and Woodbury (x2) counties), blood donations (Black Hawk (x2), Clinton (x2), Dubuque, Keokuk, Scott, Washington, Winnebago, and Woodbury counties) and samples from people suffering from West Nile-caused illness (Adair, Black Hawk, Cass, Carroll, Cerro Gordo, Dickinson (x2), Emmett (x3), Franklin, Hardin, Harrison, Henry, Jackson, Kossuth, Lee, Marion (x2), O'Brien, Polk, Plymouth (x3), Pottawattamie (x3), Ringgold, Shelby, Sioux, Wapello (x2), Washington, and Woodbury (x3) Counties). Confirmatory testing was performed by the University of Iowa Hygienic Laboratory. For more information on how our program is run, please follow this LINK.