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Shots - Health News
Fri January 11, 2013
CDC Says Flu Waning In Places, But Worst May Not Be Over
Originally published on Fri January 11, 2013 11:45 am
Federal healthy officials said Friday there are some early signs this year's flu season may be easing in some parts of the country. But they stressed it's far too early to tell whether the flu season has peaked.
The number of states reporting widespread flu activity is up to 47, according to the Centers for Disease Control and Prevention. But flu activity nationally fell slightly in the CDC's most recent data. Five states reported less flu than a week earlier, according to the CDC.
There's a chance the flu season may have peaked in some places, like parts of the South and Southeast, where the season started first, Dr. Thomas Frieden, the CDC's director, told reporters during a briefing.
But Frieden says it's unclear whether that's a trend or just a blip. One of the complications is the latest data was collected during the holiday period, which often results in lags in reporting.
And more flu is being reported in some places, such as in the West, where the season started the latest.
"Influenza activity ebbs and flows," Frieden says. "The only thing predictable about the flu is it's unpredictable."
CDC officials are still urging people to get vaccinated, and released the first data about how well this year's vaccine is working. So far, they say the vaccine appears to be about effective as usual, protecting people about 62 percent of the time this season.
Vaccination remains the best way to protect against the flu, but there's no ironclad guarantee. The vaccine is typically about 60 percent effective. So some people can get the flu even though they were vaccinated because the shot just didn't work for them.
The vaccine, for example, tends to work less well in the elderly. That's a big problem, since the elderly are among those at greatest risk for serious complications from the flu.