The goal is to have a vaccine quickly available in case a pandemic occurs, as with H1N1 in 2009.
Vaccinations against 2009 H1N1 should actually be more effective than those against seasonal flu.
The CDC has 400 people tasked to work on the virus, also called the 2009 H1N1 flu, Crafton said.
The 2009 H1N1 pandemic started there, and the virus is still spreading fast.
Also Tuesday, the CDC's Morbidity and Mortality Weekly Report published data on 30 patients hospitalized in California with 2009 H1N1.
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Secondly, the 2009 H1N1 lacks a gene that is present in highly virulent flu viruses, such as the one in 1918.
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We saw it with the avian flu, we saw it with the H1N1 flu in 2009 and we're seeing it now.
But the 2009 H1N1 virus is a hybrid of swine, avian and human strains, and no vaccine has been developed for it.
There have been shortages of the capsule in the past, particularly during the H1N1 pandemic in 2009, and another shortage in 2011.
More than 2, 700 other patients worldwide are believed to be suffering from the virus that government officials call by its technical name, 2009 H1N1.
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.
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Models predict the 2009 H1N1 flu will peak in October, with many cases being diagnosed in September, according to Dr. Robert Belshe, director of Saint Louis University's Center for Vaccine Development.
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Though just six of the 80 fatalities worldwide have occurred in the United States, the 2009 H1N1 virus continues to circulate, with highest U.S. incidence noted in the Southwest and the Midwest, she said.
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According to the Centers for Disease Control and Prevention, pregnancy puts Wolf at higher risk of complications for flu in general, and so far that also holds true for the novel 2009 H1N1 virus.
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.
Canadian officials are quarantining pigs that tested positive for the virus -- scientifically known as 2009 H1N1 -- at an Alberta farm in what could be the first identified case of pigs infected during the recent outbreak.
The current recommendation is based on unique conditions associated with the existing pandemic, including low levels of population immunity to 2009 H1N1, the potential for health-care personnel to be exposed to H1N1 patients, and other factors, Dimond says.
Except for hospitalized patients, others with flu-like symptoms are not being tested to confirm they have swine flu, since "virtually all of the influenza that's circulating right now in the United States is the 2009 H1N1 strain, " Schuchat said.
President Barack Obama spoke with Mexican President Felipe Calderon on Saturday afternoon to discuss both countries' "efforts to limit the spread of the 2009 H1N1 flu strain and the importance of close U.S.-Mexican cooperation, " the White House said in a statement.
Schuchat said doctors recommend anyone hospitalized with 2009 H1N1 virus be given antiviral treatment, even if they are admitted more than 48 hours after the onset of symptoms -- a period after which doctors had said the drug would not work well.
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Spurring more parents to seek vaccinations in recent years was the H1N1 flu pandemic in 2009 and the rush it prompted for scarce vaccine, some pediatricians say.
Public health crises of the past decade, like SARS in 2003 or the H1N1 flu pandemic in 2009, have highlighted how easy it is for diseases to spread around the world, including through air travel.
Drug-resistant pandemics have been a staple of local news hysteria since the H1N1 virus swept the globe in 2009.
The resulting model captured changes in search behavior due to H1N1 influenza circulating during the summer of 2009.
The H1N1 virus, which causes swine flu, first appeared in Mexico in 2009 and rapidly spread around the world.
Swine flu (H1N1) infected a fifth of people during the first year of the pandemic in 2009, data suggest.
The most recent data show that from April 15 to May 18, 2009, thirty-four percent of the pregnant women infected with the H1N1 virus were hospitalized, and by June, six pregnant women had died.
In 2009, when public-health officials urged Americans to vaccinate themselves and their children against the H1N1 strain of influenza, Lisa Oz said that she had no intention of doing so.
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