Federal health officials will probably recommend that most Americans get three flu shots this fall: one regular flu shot and two doses of any vaccine made against the new swine flu strain.

Confirming the first impressions of many American and Mexican doctors, federal health officials said on Wednesday that people born before 1957 appear to have some immunity to the swine flu virus now circulating.

As schools shut down because of the flu

The number of swine flu cases in Japan soared over the weekend, raising the likelihood that the World Health Organization will soon have to raise its pandemic alert level to 6, the highest level.

On Sunday, the assistant principal of a school in Queens died after being hospitalized with swine flu. It was the sixth flu-related death in the United States and the first in New York State.

The real number of swine flu cases in the United States could be

The swine flu virus did not result from a laboratory accident, the World Health Organization said Thursday, working to debunk rumors started by an Australian virologist and circulated by news outlets all over the world.

Pregnant women who get swine flu are at such high risk of complications like pneumonia, dehydration and premature labor that they should be treated at once with the antiviral drug Tamiflu

The first case of swine flu in China was confirmed Monday as the epidemic continued moving around the world, with the World Health Organization reporting about 4,700 laboratory-confirmed cases in 30 countries.

Communication with a Chinese man, being treated for the new H1N1 strain of flu, was broadcast at a hospital in Chengdu, Sichuan province Monday.

The best way to track the spread of swine flu across the United States in the coming weeks may be to imagine it riding a dollar bill.

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