Researchers find that people with swine flu may be contagious for extended periods.
Balking at getting the swine flu vaccine? You're not alone. Many health care workers are deferring too.
Renewed hopes of controlling swine flu as vaccines are quickly developed.
Tamiflu resistant swine flu doesn't spread easily.
U.S. government urges small businesses to develop swine flu recovery plans.
Swine flu out of sight and out of mind hiding in pigs for decades.