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Group helps U.S. monitor swine flu shot safety


Independent health advisers began monitoring safety of the swine flu vaccine this week, an ex tra step the government promised in this year’s unprecedented program to watch for possible side effects.

Decades of safe influenza inoculations mean specialists aren’t expecting problems with the swine flu vaccine, because it’s made the same way as the regular winter flu vaccine. But systems to track the health of millions of Americans are being tapped to make sure — to spot any rare but real problems quickly, and to explain the inevitable false alarms when common disorders coincide with inoculation.

U.S. health officials have spotted no concerns to date, Dr. Bruce G ellin, head of the N ational Vaccine Program Office, told The Associated Press.

A specially appointed working group of independent experts will track the vaccine’s safety, too. Although the group will deliberate in private meetings, its charge is to raise a red flag if members feel the feds miss anything.

“Given the rapidity with which this particular vaccine was rolled out, there seems to be an extra-special obligation to make sure things remain as uncomplicated as they h ave in the past ,” Dr. Marie McCormick of the Harvard School of Public Health, who chairs the working group, told the AP.

Vaccinations against the new flu, which scientists call the 2009 H1N1 strain, have begun more slowly than the Obama administration had hoped, with long lines for the nearly 27 million doses divided around the country so far. More is on the way, even as swine flu cases and hospitalizations continue to rise.

How many ultimately line up depends in part on public confidence in the vaccine’s safety. While vaccine side effects always are monitored, the H1N1 inoculations are getting extra scrutiny in part because the last mass vaccinations against a very different swine flu, in 1976, were marred by reports of a rare paralyzing condition, Guillain-Barre syndrome.

A report in The Lancet British medical journal said the intense monitoring will be crucial for an additional reason: separating normal disease rates from real vaccine risks. For example, 2,500 miscarriages occur every day in the U.S., and about 3,000 heart attacks — and some are sure to coincide with vaccination yet not be caused by it.

This week, McCormick’s group heard safety data from studies of the swine flu vaccine in more than 10,000 people, some conducted by the government and others by manufacturers.

“To date, no serious adverse events have suggested any safety signals with H1N1 vaccines,” says a summary of the data.

That’s where the additional monitoring comes in.

Initial reports to a beefed-up government database — where anyone can report any symptom, and serious ones get intense investigation — showed nothing unusual after the first 10 million vaccinations, Gellin said. Most reports were of sore arms and fever, plus some flu symptoms that suggested people already were infected when they got the shot, too late for it to help.

Gellin said one report of a death turned out to be caused by swine flu itself, not vaccine.

Other monitoring includes linking large insurance databases to state vaccine registries to track who visits a doctor and why after the shot.

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