INDIANAPOLIS (AP) — State health officials said mosquitoes analyzed from around the state have tested positive for the West Nile virus in more than a third of Indiana’s counties.

The Indiana Department of Health said it collected and tested nearly 120,000 mosquitoes from all 92 Indiana counties. The West Nile virus was found in samples from 35 counties.

Indiana has had one human case of West Nile virus so far this year, in southeastern Indiana’s Ripley County.

The West Nile virus can cause a mild fever that includes headache, body aches, swollen lymph glands or a rash. But some people can develop a more severe, potentially fatal form.

Eight people in Indiana died from the virus last year.

Copyright 2013 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.