This month, as mosquito activity reaches its peak, health officials have detected West Nile in additional Bucks County populations, the spokesperson said: one positive test in the Hulmeville/Bensalem ...

City health officials instructed Philadelphia medical providers to check patients for West Nile virus and other ...

CBS News medical contributor Dr. Celine Gounder joins to discuss the rise in West Nile virus cases, with nearly 50 infections ...