New York State has already made the new H1N1 swine flu shots mandatory for health care workers.
Last year, all children between six months and five years were offered the pandemic H1N1 swine flu jab.
Mr Fukuda said officials and drug manufacturers were investigating how to speed up the process of developing a vaccine against the H1N1 swine flu strain.
While the H1N1 swine flu outbreak has received most of the public and media attention during the past year, another virus has sickened a huge number of Americans (and others).
The group remains quarantined at home, and Health Minister Tony Ryall said 10 students tested positive for influenza A -- the general category of strains that includes the H1N1 swine flu.
CNN: U.S. prepares for possible swine flu epidemic as global cases rise
The end result is a virus with the exterior proteins of the H1N1 swine flu -- so the immune system recognizes it -- but with the inner mechanics -- the fast-growth ability -- of X-157.
The company running the experiment, VaxInnate, a closely held biotech firm, is working on technology that could derive in only six weeks a new vaccine for the H1N1 swine flu, the virus causing the global scare.
Security Council as a "terror council, " suggested the H1N1 swine-flu virus was a military tool and called for renewed investigations into the assassinations of John F.
The H1N1 "swine flu" pandemic killed about 300, 000 people worldwide.
So far this year, however, there's little sign of seasonal flu in the U.S., where nearly all of the circulating flu virus is H1N1, or swine flu, Frieden said.
The CDC had hoped that about 40 million doses of H1N1, or swine flu, vaccine would be available by the end of October.
The H1N1 strain of swine flu is usually associated with pigs.
CNN: U.S. prepares for possible swine flu epidemic as global cases rise
Three years ago, I caught H1N1, or swine flu.
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After a week of headlines about the H1N1 virus, or swine flu, many emergency rooms and hospitals are crammed with people, many of whom don't need to be there.
CNN: 'Walking well' flood hospitals with -- or without -- flu symptoms
Swine flu (H1N1) infected a fifth of people during the first year of the pandemic in 2009, data suggest.
The H1N1 virus, which causes swine flu, first appeared in Mexico in 2009 and rapidly spread around the world.
The Brazilian Ministry of Health said there have been 6, 100 cases of flu in the nation, with 5, 206 cases (85.3 percent) confirmed as H1N1, also known as swine flu.
The research is a first step toward U.S. health officials' goal of developing a safe and effective vaccine against H1N1, also known as swine flu, which has been declared a global pandemic by the World Health Organization.
CNN: School: No shortage of volunteers for swine flu vaccine trials
Since May, China has been checking people arriving from countries where cases of H1N1 -- also known as swine flu -- have been reported.
Melbourne-based company CSL Ltd. plans to test a vaccine for the H1N1 virus, also known as swine flu, on 240 volunteers, a company representative said.
CNN: Australia to begin first human test of swine flu vaccine
As of July 31, the total number of victims killed by the H1N1 virus, also known as swine flu, stood at 1, 154 -- an increase of 338 since WHO's previous update on July 27.
China's state-run Xinhua news agency reported that the Guizhou Province's health bureau announced earlier this week that it had discovered two dozen Americans who had been within four rows of the suspected swine flu, or H1N1, case on the plane.
CNN: China releases U.S. school group quarantined over flu concerns
Now, researchers are taking the knowledge from that study to work toward an antibody treatment for swine flu, the 2009 H1N1 virus that has sickened hundreds of people worldwide.
CNN: 1918 flu survivors share memories as research continues
None of the school's cases of swine flu -- also called H1N1 -- has proven fatal or resulted in a hospitalization, he said, and none of the reported cases has been confirmed.
The children were infected with a virus known as swine influenza A H1N1, which has a unique combination of genes not previously seen in flu viruses in either humans or swine - although it shares similarities with a virus that has been circulating in pigs since 1999.
Somewhere along the line, H3N2 and H1N1 viruses were present in a mammal at the same time, and the "matrix-gene" (or m-gene) from the H1N1 pandemic virus was picked up by the H3N2 swine flu, creating a new or variant version of H3N2.
Somewhere along the line, H3N2 and H1N1 viruses were present in a mammal at the same time and the "matrix-gene" (or m-gene) from the H1N1 pandemic virus was picked up by the H3N2 swine flu, thus creating a new or variant version of H3N2.
Already, some Southeastern states -- particularly Georgia, Alabama, Mississippi and Florida -- have been hit hard by the swine flu virus, also known as 2009 H1N1 influenza, perhaps because schools opened earlier there, she said.
"What the epidemiologists are seeing now with this particular strain of U.N. is that the severity of the disease, the severity of the flu -- how sick you get -- is not stronger than regular seasonal flu, " Homeland Security Secretary Janet Napolitano said Monday as the worldwide number of confirmed cases of swine flu -- technically known as 2009 H1N1 virus -- topped 1, 080.
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