Routine mosquito trapping and testing for West Nile virus (WNV) have confirmed a positive mosquito pool in Ottawa. This is the first confirmation of WNV in Ottawa this year since OPH began routine ...

The risk for West Nile virus is now high in 10 Massachusetts communities, state public health officials said Tuesday.

Four mosquitoes from a testing tool of 371 tested positive for West Nile virus in Johnson County. No human cases have been ...