NBC's chief science and health correspondent Robert Bazell answers your questions about the swine flu vaccine. Should there be concern because this vaccine was rushed that there may not have been as ...

Chinese researchers have discovered a new type of swine flu that can infect humans and has the potential to cause a future pandemic, according to a study released on Monday, though scientists have ...

For a country that appears to be so isolated from the outside world, North Korea seems to have been on edge for months regarding the possible impact of swine flu (H1N1) on its population. These rumors ...