Scientists investigating how influenza viruses replicate within cells "accidentally" discovered that different flu viruses ...

Influenza A virus (IAV) possesses a segmented, negative-sense RNA genome comprising eight distinct viral RNA (vRNA) segments. These segments form ribonucleoprotein (RNP) complexes that are selectively ...

WASHINGTON (Reuters) - The H1N1 swine flu virus may have been new to humanity in many ways but in one key feature its closest relative was the 1918 pandemic virus, researchers reported on Wednesday.

The disease originally was nicknamed swine flu because the virus that causes the d isease originally jumped to humans from the live pigs in which it evolved. The virus is a "reassortant" -- a mix of ...