With West Nile virus present in Texas, mosquito bites escalate beyond an itchy annoyance to a potentially deadly threat.

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

Mosquitoes infected with the West Nile virus have been detected in multiple boroughs, according to the New York City Health ...

Philadelphia health officials are warning residents after West Nile virus was found in mosquitoes in Northeast Philadelphia ...

Philadelphia health officials are warning residents after West Nile virus was found in mosquitoes in Northeast Philadelphia ...

Two people in Adams County contracted the West Nile Virus, marking the first human cases in Colorado this year.

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

James Martinez's family said his condition is improving in ICU – he is one of two confirmed human cases of West Nile Virus ...

The samples mark the first of illness detected in Kent County this year, according to the local health department.

ADAMS COUNTY, Colo. — Health department officials in Adams County said two people have confirmed cases of West Nile Virus.

Adams County health officials said the two human cases likely contracted the virus from mosquitoes sometime in late June as ...