Most of First 6 Million Doses Will Be Nasal Spray Vaccine
Daniel J. DeNoon
WebMD Health News
Latest Cold and Flu News
Reviewed By Louise Chang, MD
Sept. 25, 2009 -- Vaccinations against H1N1 swine flu will start on Oct. 6, CDC Director Thomas Frieden, MD, MPH, said today.
Nearly all of the first 6 million doses of swine flu vaccine are the FluMist nasal spray vaccine. By mid-October, the government plans to deliver some 45
million doses -- including more traditional flu shots
-- apportioned to states based on population.
"We have a vaccine and it is likely to be effective after a single dose for those over 10, and it is going to be rolling into doctors' offices and clinics," Frieden said at a news conference.
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Because the FluMist vaccine cannot be given to pregnant women, kids under age 2, or to those with underlying health problems, the first vaccine doses will go to health care workers and to people caring for or living with infants under 6 months of age.
As flu shots arrive, priority vaccinations will go to pregnant women and to school-age kids. Different states are emphasizing different kinds of programs. Frieden said school-based vaccination programs are especially important.
"We know many kids get sick from flu, and not only is that a problem for them, but they end up spreading flu widely in the community," Frieden said. "So if you protect kids, you probably end up protecting the community as well."
Although the vaccine is right on schedule, it's arriving at least two weeks after the flu pandemic. As of Sept. 19, H1N1 swine flu was widespread in 26 states. Doctors in nine of the 10 U.S. surveillance regions reported elevated rates of flu-like illness -- and virtually all proven cases of flu have been swine flu.
Will it be too late for people to get vaccinated? No, Frieden said. There's no way to tell whether there will be new waves of pandemic flu. And even if 10% of the population gets the flu -- as happened in New York City last spring -- that means 90% of the population remains vulnerable until vaccinated.
Swine Flu Vaccine Distribution 'Bumpy' at First
The CDC is working to ensure equitable vaccine delivery across the nation. But Frieden said some states are better prepared than others to start vaccinating their residents once the federal government delivers the swine flu vaccine to them.
"It's going to be a busy and challenging few weeks," Frieden said. "It is going to be bumpy. In different states there will be different levels of preparedness and readiness and planning. There will undoubtedly be places where people want to get vaccinated and can't in early to mid-October, particularly."
Eventually, Frieden promised, there will be enough vaccine for any U.S. resident who wants it.
Frieden urged people not to wait for the H1N1 swine flu vaccine, but to get their seasonal flu shots right away. He was asked about reports from Canada of unpublished research suggesting that people who got seasonal flu shots might be more susceptible to swine flu.
"We have looked at our data at CDC and our data from New York City from when I was health commissioner. The Australians have already published their data, and in none of these studies is any indication that seasonal vaccination affects the likelihood of getting H1N1," Frieden said. "Nothing we have seen suggests there is a problem."
Frieden also addressed a study in the New England Journal of Medicine suggesting that for preventing seasonal flu, FluMist may be less effective than traditional flu shots. He said that those findings applied to one particular flu season, with one particular formulation of flu vaccine.
"For this season, for this vaccine, all bets are off as to which is better," Frieden said. "It is likely both the nasal spray and the shot will be quite effective."
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