The Ohio Department of Health (ODH) has been recording mosquito collection data from local partners in order to monitor for diseases transmitted by mosquitoes in Ohio. The ODH worked with partners in Ashland, Athens, Carroll, Clark, Clermont, Crawford, Cuyahoga, Fairfield, Franklin, Hamilton, Hancock, Hocking, Lake, Licking, Lorain, Lucas, Mahoning, Medina, Meigs, Miami, Montgomery, Muskingum, Perry, Pickaway, Portage, Richland, Ross, Scioto, Shelby, Stark, Summit, Tuscarawas, Union, Vinton and Wood counties in order to collect data from around the state.
Please see below for results of pooled mosquito samples tested for West Nile Virus as of 8/21/20:
- Clark County: 9,365 total mosquitoes tested; 11 positive samples
- Cuyahoga County: 1,057 total mosquitoes tested; 2 positive samples
- Fairfield County: 810 total mosquitoes tested; 1 positive sample
- Franklin County (including Columbus City): 92,773 total mosquitoes tested; 290 positive samples
- Lake County: 2,826 total mosquitoes tested; 6 positive samples
- Lucas County: 2,358 total mosquitoes tested; 24 positive samples
- Richland County: 15,282 total mosquitoes tested; 3 positive samples
The total number of mosquito samples positive with West Nile Virus is now 337. As of 8/21/20, no human cases of West Nile Virus have been reported.
The ODH reported 4 cases of La Crosse Virus during the week of 8/17/20, which were Ohio’s first cases of La Crosse Virus for 2020. Cases include:
- 3 males
- 1 female
- All between the ages of 6-15 year, median age: 9 years
The cases were reported in:
- Carroll County: 1 case
- Harrison County: 1 case
- Trumbull County: 1 case
- Warren County: 1 case
Onset of symptoms for those cases of La Crosse Virus were between 7/4/20-7/11/20. There are several additional suspect cases under investigation.
For additional information, please visit www.odh.ohio.gov/vectorupdate or call the Ohio Department of Health Zoonotic Disease Program (614-752-1029, option 1).