Diseases, Conditions, Syndromes

West Nile virus: What you need to know

The Centers for Disease Control and Prevention (CDC) have confirmed reports of West Nile virus in 10 states. The bite of an infected mosquito most commonly spreads the virus.

Diseases, Conditions, Syndromes

In Mexican jungle, scientists prepare for future pandemics

As night fell in Mexico's Yucatan jungle, veterinarian Omar Garcia extracted blood and fluids from a bat as part of an investigation aimed at preventing the next potential pandemic.

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