Recent cases have been noted in the Northeast U.S. and the Great Lakes states.
The virus can cause inflammation of the brain, leading to death in 10 percent of cases and permanent disability in 50 percent of cases.
Recent cases have been noted in the Northeast U.S. and the Great Lakes states.
The virus can cause inflammation of the brain, leading to death in 10 percent of cases and permanent disability in 50 percent of cases.