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Updated reports of West Nile Virus in Kansas
2004 DATA:
Nationwide, there were a total of 2470 human cases of West Nile Virus from 41 states and the District of Columbia reported to the CDC in 2004 (see details on the CDC website).
In Kansas there were 43 positive tests in humans (see table below).
| Number positive tests | Type of host | Number of counties |
| 9 | Equine | 6 |
| 58 | Bird | 37 |
| 36 | Mosquito Pool | 14 |
| 43 | Human (probable or confirmed) | 21 |
October 13, 2004
A horse has tested positive from Bourbon County.
October 8, 2004
A second bird collected in Bourbon County has tested positive.
October 5, 2004
Cowley county has reported positive results from a mosquito pool and from 2 collected birds.
September 27, 2004
A second horse has tested positive from Montgomery County, as well as the first horse reported from Atchison County. Check out the map showing distribution of all positives on the KDHE website. Total animal cases now stand at 7 positive equine, 55 avian and 28 mosquito pools that have tested positive for WNV.
According to the CDC website, a total of 1657 human cases of West Nile Virus (including fever, neuroinvasive and other clinical or unspecified cases) have been reported in the United States. The highest number of reports come from California (507), Arizona (362) and Colorado (225). See the detailed counts on the CDC website. The count from the State of Kansas stands at 31 (with one death).
September 23, 2004
Atchison County has reported its first positive WNV test from a collected dead bird, Linn county has two more positive mosquito pools, and Ellis county has had its first positive mosquito pool.
Nationwide: the CDC reports a total of 1604 Human cases in the United States, with 48 deaths. The highest number of reports have been coming from Arizona (355 cases), California (507 cases) and Colorado (225 cases).
September 20, 2004
The latest information provide by KDHE raises the number of counties with positive WNV tests (including Human, Equine, Avian and mosquito pools) to 46.
- 11 counties have had positive mosquito pools (25 pools)
- 35 counties reported positive results from collected birds (54 avian positives)
- 5 positive equine from 5 counties
- 24 probable or confirmed human cases from 14 counties (1 death)
September 16, 2004
KDHE confirmed the first human death attributed to WNV in the state of Kansas. A 78 year old individual from Gary County is the first casualty due to WNV in 2004.
A horse tested positive from Montgomery County. That raises the number of positives from equine to four.
September 13, 2004
Latest information from the KDHE raise the total number of counties with positive WNV tests to 44.
- There have been three positives from equine (Johnson, Russell and Sedgwick counties)
- 25 positive mosquito pools (Atchison, Barton, Finney, Graham, Linn, Lyon, Rice, Sedgwick, Seward, Sheridan and Wallace counties)
- 53 positive tests from collected birds (Barton, Bourbon, Butler, Chase, Clay, Dickinson, Douglas, Edwards, Ellis, Franklin, Graham, Harper, Harvey, Johnson, Kearny, Kingman, Labette, Lincoln, Lyon, Marshall, McPherson, Meade, Montgomery, Osborne, Pratt, Reno, Rice, Riley, Saline, Sedgwick, Shawnee, Sumner, Wabaunsee, Wilson and Wyandotte counties)
- 17 confirmed or probable human cases (probable cases reported from Barton, Johnson, Lane, Morris, Pratt, Reno, Sedgwick, and Seward counties: confirmed cases from Harper, Lincoln, Sedgwick, and Wyandotte counties).
September 10, 2004
Additional positive results were reported by KDHE today. These include another horse, this one from Johnson County, and a mosquito pool from Graham County.
September 9, 2004
The second positive WNV from a horse was confirmed today by KDHE. A horse in Sedgwick county has tested positive.
September 7, 2004
The latest counts from KDHE show positive west nile virus tests (avian, human, equine and mosquito) from 36 counties. There is still only one positive equine (from Russell County). Human cases include four confirmed (Harper, Lincoln, Sedgwick and Wyandotte Counties) and 10 probable (Barton, Johnson, Morris, Pratt, Reno, Sedgwick, and Seward Counties). Check out the map showing distribution on the KDHE website.
September 3, 2004
KDHE has added the following positives to their lists: 1 positive avian from Riley County, and Mosquito pools from Barton and Wallace Counties.
August 31, 2004
The CDC website lists a total of 922 human cases of west nile virus fever, neuroinvasive disease or other symptoms with 22 deaths reported nationwide. (see the details of the count at: http://www.cdc.gov/ncidod/dvbid/westnile/surv&controlCaseCount04_detailed.htm ). Arizona has the most reported cases, followed by California and Colorado.
August 30, 2004
The latest information provided by KDHE brings the total number of counties with positives up to 35, with 9 probable or confirmed human cases. There has been only one positive equine case so far (Russell County). Six counties have had mosquito pool samples that have tested positive, and 28 counties with positive avian results. Check out the map showing distribution on the KDHE website.
August 27, 2004
check out the latest press release from KDHE. http://www.kdhe.state.ks.us/news/ .
August 25, 2004
KDHE has reported the first case of WNV in an equine. The horse is from Russell County.
Latest human cases reported include two probable WNV fever cases; a 12 year old from Seward County and a 33 year old from Sedgwick county.
Other new reports include positive birds from McPherson, Meade and Bourbon as well as positive mosquito pools from Atchison and Lyon Counties.
August 23, 2004
KDHE has confirmed a case of WNV neuroinvasive disease in Sedgwick County. This makes one confirmed and 4 probable human cases so far to date ( read press release at: http://www.kdhe.state.ks.us/news/web_archives/2004/08202004.html ).
A total of 26 counties have had positive results from humans (4 counties), birds (39 positive results from 23 counties) or mosquito pools. There have been no positive equine cases yet this year (see distribution maps on KDHE website ).
August 20, 2004
KDHE has reported a probable neuroinvasive case, a 19 year old from Johnson County. The individual has been hospitalized. That brings the number of probable human cases up to 4.
August 19, 2004
KDHE has reported additional positive tests from birds recovered in the following counties: Franklin, Kingman, Lyon and Saline. These are the second positive results from each of these counties, thus they are now added to the 'no longer collecting' list.
We are no longer collecting birds from the following counties:
Douglas, Edwards, Franklin, Harper, Harvey, Johnson, Kingman, Lyon, Pratt, Reno, Saline, Sedgwick or Shawnee counties.
August 17, 2004
Two more probable human cases have been reported to the KDHE. One from Morris county and the other from Sedgwick county. That brings the total probable human case count up to three so far this year. A total of 25 counties have had positive test results.
August 11, 1004
The latest count for WNV positive tests in Kansas is 23 avian, 0 equine, 1 mosquito pool and 1 probable human case.
According to the last report from KDHE, there are 15 counties that have had positive WNV tests, 14 for avian and 1 for mosquitoes (and 1 non-neuroinvasive human case). The county with a positive mosquito pool was Wallace. The other 14 counties with positive avian results are: Barton, Edwards, Franklin, Harper, Harvey, Johnson, Lincoln, Marshall, Pratt, Reno, Saline, Sedgwick, Shawnee and Wilson.
August 5, 2004
Another bird collected from Harper County has tested positive, as have three more birds collected from Shawnee County.
August 4, 2004
KDHE has reported the first probable WNV non-neuroinvasive case from Barton County. This is the first human case of West Nile Virus in the state of Kansas.
read the press release from KDHE
CDC website (updated weekly) reports 406 cases nationwide with 7 deaths.
August 3, 2004
According to the CDC website, there have been human cases of West Nile Virus reported from Alabama, Arizona, Arkansas, California, Colorado, Florida, Illinois, Iowa, Michigan, Missouri, Nebraska, New Mexico, New York, Ohio, Pennsylvania, South Dakota, Texas, and Wyoming. A total of 265 cases (including fever and neuroinvasive disease) with 6 deaths. To see more information, check out the CDC website case count table at http://www.cdc.gov/ncidod/dvbid/westnile/surv&controlCaseCount04_detailed.htm .
August 2, 2004 (updated)
The first positive mosquito pools have been reported from Wallace county. In addition, positive birds have been confirmed from Harvey, Harper, Pratt, and Reno counties. This brings the count to 15 total positive tests: 14 birds and 1 mosquito pool, in 10 counties. No human cases of West Nile Virus encephalitis or meningitis have been confirmed by the KDHE.
We will no longer be collecting birds from Harvey, Johnson, Pratt, Reno or Sedgwick counties.
July 19, 2004
Birds collected from the following counties have tested positive: Barton, Johnson, Sedgwick, Shawnee and Wilson. We will no longer test birds collected in either Johnson or Sedgwick counties.
CDC reports human cases in Arizona, California, Colorado, Florida, Iowa, Michigan, Nebraska, New Mexico, South Dakota and Wyoming. A total of 108 human cases with 3 deaths. For more details on nationwide data go to http://www.cdc.gov/ncidod/dvbid/westnile/surv&controlCaseCount04_detailed.htm .
July 14, 2004
Additional positive tests obtained from birds have been reported. One more bird from Shawnee County and another collected from Barton County have each tested positive. That brings the count to 7 positive birds collected from 4 counties.
July 13, 2004
A second bird collected from Sedgwick county has tested positive. In addition, a crow collected in Barton County, and blue jays collected from Wilson and Shawnee Counties have tested positive. That brings the total to 4 counties with positive results. Due to the second positive from Sedgwick County, birds collected from that county will no longer be accepted for testing.
July 12, 2004
There are no cases of WNV in humans reported in the State of Kansas, and so far only one previously reported test from a bird (see below). However, human cases have been reported in the following states: Arizona, California, Florida, Michigan, Nebraska, New Mexico, South Dakota and Wyoming (cdc website).
July 1, 2004
The first positive WNV activity has been recorded in the State of Kansas. A bird collected from Sedgwick county on June 22, 2004 has tested positive for West Nile Virus. read the official press release at http://www.kdhe.state.ks.us/kdhe_news/2004/jul/index.html
The CDC reports human cases from the following states: Arizona, California, Florida, Michigan, Nebraska, New Mexico, South Dakota and Wyoming.
May 14, 2004
A press release from the Kansas Department of Health and Environment (KDHE) today urged Kansans to prepare for the return of West Nile Virus (WNV) again this year. 2004 will mark the third year for the virus in Kansas and the fifth year for its presence in the U.S. To date, no cases have been reported in Kansas. Read the text or check out the KDHE website for current and previous year's news releases. KDHE website for West Nile Virus
March 8, 2004
The presentations from the 2004 Fifth National Conference on West Nile Virus in North America are available online at:
http://www.cdc.gov/ncidod/dvbid/westnile/conf/February_2004.htm .
Also check out the release by USGS on surveillance for West Nile virus in avian species (pdf format).
Additional information on human cases in Kansas now available.
check out webpages from other central states regions:
- Colorado
- Illinois
- Missouri (St. Louis area)
- Missouri department of health website
- Nebraska
- Oklahoma
- Texas