Can existing flu shots help protect against bird flu?

New research shows that existing flu shots may offer protection against bird flu.

As potentially deadly avian influenza (H5N1) continues its global spread, moving from birds into mammals and in rare cases into humans, scientists are confronting a difficult reality.

If a human pandemic emerges, vaccines designed specifically to protect people against H5N1 may not be ready in time.

New international research led by National Taiwan University, in c...