As the discussion over a bird flu pandemic increases, U.S. health experts say surgical masks and similar devices will be of little help. The 12-member panel issued a report Thursday, requested by the ...

With flu season arriving early and NHS leaders encouraging people with symptoms to wear masks in public, a question arises: do masks actually work against the flu? The short answer is that the ...

As bird flu continues to circulate in animals and spill over into humans, researchers are racing to stop it before it adapts to spread widely between people. A new nasal spray vaccine showed strong ...