Influenza Outbreak
Apr 28 2009
Influenza, or flu, is a viral disease affecting people, other mammals including pigs, and birds. Flu can be caused by many different, but related, viruses. Some flu viruses primarily infect people, while others infect mostly pigs (swine flus) or birds (avian flus).
Get the facts on the current swine flu outbreak from Rear Adm. Joyce Johnson, USPHS-Ret.
