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WEBSITE OF THE STATE OF SOUTH DAKOTA DEPARTMENT OF HEALTH
Kim Malsam-Rysdon, Secretary of Health

South Dakota Surveillance Summaries

West Nile Virus Infographic. South Dakota has the greatest number of west nile virus incidents. 20% of infected people develop fever, other symptoms. 1 of 150 cases develop serious, potentially fatal illness.

West Nile Virus Surveillance

SD WNV (as of September 8): 21 human cases reported (Brown, Clark, Davison, Day, Dewey, Douglas, Hamlin, Kingsbury, Lake, Minnehaha, Moody, Potter, Roberts, Sanborn, Spink, Stanley, Tripp, Union, Walworth, Yankton) and 1 death

Positive blood donors (as of September 8): 2 (Clark, Day) and 8 counties with positive mosquito pools (Beadle, Brookings, Brown, Codington, Hand, Hughes, Lincoln, Minnehaha)  

US WNV (as of September 7): 210 cases (AL, AZ, AR, CA, CO, GA, ID, IL, IA, KS, LA, MD, MA, MI, MN, MO, NE, NJ, NY, ND, OH,OK, OR,  PA, SC, SD, TN, TX, UT) and 9 deaths

WNV Prediction Model - Total Number of Cases Projected for 2021, South Dakota (as of September 6)


80 cases predicted for 2021 season in South Dakota.

For more information, please visit the SD-DOH website at: https://doh.sd.gov/diseases/infectious/wnv/

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