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Groton Daily Independent
Thursday, Sept. 7, 2017 ~ Vol. 25 - No. 069 ~ 5 of 36
West Nile update: South Dakota, 6 September 2017
• 49 human cases of West Nile virus disease have been reported to the SD Department of Health. 31% of cases have neuroinvasive disease, 69% have West Nile Fever. 39% hospitalized.
• Deaths: 1.
• Age: median age 51 years; range 4-85 years.
• Race: 88% White, 10% American Indian, 2% Other. Sex 51% male, 49% female.
• Counties with human WNV cases: Aurora 1, Beadle 2, BonHomme 2, Brookings
4, Brown 3, Campbell 1, Charles Mix 1, Clark 1, Codington 4, Davison 2, Day 1, Deuel 1, Douglas 1, Faulk 2, Grant 1, Hamlin 1, Hughes 1, Hutchinson 3, Jackson 1, Kingsbury 1, Lake 1, Lincoln 2, Lyman 1, McCook 1, McPherson 1, Meade 1, Minnehaha 1, Moody 1, Oglala Lakota 1, Pennington 1, Walworth 1, Yankton 2.
• Viremic blood donors: 2, both in Brown County.
• WNV positive mosquito detections: Brookings, Brown, Codington, Hughes,
Lincoln and Minnehaha counties.
• WNV positive horse: Codington County.
• WNV positive birds: 2 Red-tailed hawk, Codington County.
West Nile virus activity reported to CDC, by state, United States, 2017
(as of 5 September 2017)
SD Department of Health phone 800-592-1861
SD Department of Health: http://westnile.sd.gov
SDSU WNV risk assessment: http://mosquito.sdstate.edu CDC West Nile: www.cdc.gov/westnile
14 12 10
8 6 4 2 0
West Nile Cases (red) and blood donors (blue)
by week of illness onset, South Dakota 2017
10 year median 2007-2016
Week ending
03-Jun 10-Jun 17-Jun 24-Jun
01-Jul 08-Jul 15-Jul 22-Jul 29-Jul
05-Aug 12-Aug 19-Aug 26-Aug 02-Sep 09-Sep 16-Sep 23-Sep
Oct