Over the weekend, health officials in Spain reportedly informed the World Health Organization (WHO) of a possible human case ...

Chinese researchers have discovered a new type of swine flu that can infect humans and has the potential to cause a future pandemic, according to a study released on Monday, though scientists have ...

A swine flu case in Spain with no pig exposure has raised questions about how the virus spread and triggered international health monitoring.

Swine flu symptoms, which typically appear one to four days after exposure, are similar to seasonal influenza and include ...

Health news and commentary gathered by MedPage Today staff ...