Mosquito Populations Drop Across US as West Nile Virus Hits 22-Year High
Experts are concerned as mosquito levels have plummeted by 50 percent in several western and Midwestern US states, even as West Nile virus cases reach a 22-year high.
Experts are concerned as mosquito levels have plummeted by 50 percent in several western and Midwestern US states, even as West Nile virus cases reach a 22-year high.