The US just recorded the first death from severe bird flu. Experts say it's not too early, or unreasonable, to prepare for the worst.

and experts maintain there has been no evidence of sustained human-to-human spread, almost all influenza A cases that are occurring in the world are either H1 or H3, Adalja said. Dr. Rajendram ...

The team found that animals that had the virus inoculated directly into their lungs became severely ill, whereas animals that ...