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

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

Add Yahoo as a preferred source to see more of our stories on Google. The World Health Organisation (WHO) logo is seen near its headquarters in Geneva, Switzerland, February 2, 2023. REUTERS/Denis ...

May 21 -- THURSDAY, May 21 (HealthDay News) -- Some older people may have partial immunity to the new H1N1 swine flu virus because of possible exposure to another H1N1 flu strain circulating prior to ...

July 3 -- THURSDAY, July 2 (HealthDay News) -- Scientists have uncovered some intriguing clues about why the new swine flu frequently brings on gastrointestinal distress and vomiting, symptoms not ...

The cold season is in full swing, throats are scratchy and noses are running. We feel ill and hope it is not the flu. The ...

While current flu shots need to be updated each season, scientists are finding new ways to make vaccine that could last much longer and cover more strains.

WHO announces updated influenza vaccine strains for the 2026–27 northern hemisphere season, reflecting evolving flu virus ...