WASHINGTON, April 15 (Reuters Life!) - H1N1 swine flu continues to cause epidemics, especially in the southeast of the United States, U.S. federal researchers reported on Thursday.

I had a swine flu shot in 1976. Does that provide any protection today against H1N1? Jane G., Los Angeles, CA No. Is the swine flu vaccine safe?

Schools urged to prepare for swine flu absences Education secretary asks schools to develop ... "As the school year begins, I'm concerned that the H1N1 virus might disrupt learning in ...

Swine flu death toll surpasses 11,000 With H1N1 waning, 1 in 5 Americans has been vaccinated

ATLANTA - Swine flu has sickened about 22 million Americans ... NBC's Dr. Nancy answers your questions on swine flu Opinion: Swine flu response dismal at best More H1N1 vaccine ...

The H1N1 swine flu virus may have been new to humanity in many ways but in one key feature its closest relative was the 1918 pandemic virus, researchers reported on Wednesday.

The World Health Organization is to examine its handling of the H1N1 pandemic, the group said on Tuesday, after accusations by some politicians that it exaggerated the dangers of ...

The declining wave of pandemic H1N1 flu is likely to be followed by new, unknown strains of seasonal flu which health authorities must watch carefully to devise protection measures ...

Get ready for a huge flu-shot push as health officials try to rekindle interest in protection against this new influenza strain that, despite plummeting cases, still is threatening ...

The H1N1 flu pandemic may not be conquered until 2011, the head of the World Health Organization (WHO) said on Tuesday.

The H1N1 swine flu virus can develop resistance quickly to antivirals used to treat it, U.S. doctors reported.

Cases of swine flu in soldiers at Fort Dix, N.J., including one death, made health officials ... Too many H1N1 shots? Push this week will tell

Swine flu cases around the world ... Flu activity around the country A state-by-state look at the geographical spread of both seasonal flu and swine flu (H1N1) in the United States ...

Swine flu is more of a threat to certain groups — children under 2, pregnant women, people ... Too many H1N1 shots? Push this week will tell

Return of swine flu: What’s next for Americans? U.S. and the rest of the Northern Hemisphere brace for fall surge of H1N1

Latest on the swine flu outbreak ... Too many H1N1 shots? Push this week will tell

Fighting swine flu fatigue with weird marketing ... Waning H1N1 pandemic may let in new viruses

As nervous Americans clamor for the H1N1 vaccine, production is running several weeks behind schedule, and health officials say an antiquated process that relies on millions of ...

Lab among first to discover H1N1 Oct. 24: A San Antonio influenza research lab was one of the first to discover the swine flu. WOAI's Delaine Mathieu reports.

The largest U.S. analysis of adult hospitalized swine flu patients has found that 46 percent did not have asthma or any other underlying condition.