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CDC Says Flu Vaccine Barely Worked this Year

Posted by Anonymous
  • 28 Replies

The flu vaccine barely worked to protect elderly people this year, and it helped prevent illness in just 56 percent of adults and children overall, federal health officials said Thursday.

The flu vaccine reduced the chances of illness by just 9 percent in people over 65, the Centers for Disease Control and Prevention reports. Overall, it reduced illness by 56 percent.

Although this year’s vaccine was considered a good match for the most common circulating flu viruses, it still only provided 47 percent protection against the main virus, called H3N2, the CDC said in its weekly report on death and illness.

And that was bad news for people over 65, because it has been an especially tough influenza season.

“The flu season got off to an early start. It was a worse-than-average season but it was particularly severe in the elderly,” CDC spokesman Tom Skinner said in a telephone interview.

It’s killed at least 64 children and is seriously sickening people over 65 at a much higher rate than it did last year — 146 hospitalized per 100,000, as compared to a rate of just 30 per 100,000 last year, the CDC's Lynnette Brammer told a meeting of vaccine advisers on Thursday.

CDC doesn’t count how many adults die from flu each year, because it’s so high – anywhere from 4,000 to 49,000 a year.  Last year, 34 children died; 122 died in the especially bad 2010-2011 season and 282 died during the first year of the the H1N1 swine flu pandemic.

Despite its relatively low efficacy, the vaccine likely prevents severe illness than can kill or put people into the hospital, experts say. And vaccinating healthier people can help prevent them from infecting those whose immune systems don’t respond as well to the vaccine.

“While the vaccine is not as effective as we would like, it by far remains the single most important thing people can do to protect themselves from flu,” Skinner said.

Skinner says it’s important for people over 65 to get treated for flu — there’s a pill called Tamiflu and an inhaled powder called Relenza that can help ease symptoms if taken right away.

CDC officials say they don’t fully understand why the flu vaccine works so much more poorly in people over 65 than it does in younger people. Some studies suggest people’s immune response wanes as they get older.

Virtually all health experts agree the influenza vaccines on the market now are far from perfect. “We need better vaccines. The Health and Human Services Department and others are committed to trying to work for a better vaccine,” Skinner says.

CDC says the season appears to have peaked in the third week of January. But influenza can circulate through May, and flu experts note that sometimes a second wave of influenza viruses called influenza B can spread after influenza A viruses, such as H3N2, have waned.

To calculate how well the vaccine worked, CDC experts examined 2,697 children and adults who showed up at the doctor’s office or clinics with flu-like illness.

“Among the patients with influenza, 32 percent had been admin­istered the 2012–13 seasonal influenza vaccine, compared with 50 percent of the influenza-negative controls,” the report reads.

“Vaccine efficacy was estimated as 47 percent against influenza A (H3N2) virus infections and 67 percent against B virus infections.” The annual flu vaccine is reformulated every year; this year’s vaccine targeted three flu strains — one called H3N2, one called H1N1 and an influenza B strain.

The vaccine was 58 percent protective in children, 46 percent effective in young adults, 50 percent effective in people aged 50 to 64 and 9 percent in people 65 and older.

CDC’s Dr. Jeanne Santoli says vaccine makers came up with 145 million doses of flu vaccine this year. She told a meeting of vaccine experts that 138 million doses have been distributed.

Posted by Anonymous on Feb. 21, 2013 at 6:11 PM
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Replies (1-10):
by Anonymous 2 on Feb. 21, 2013 at 6:13 PM
Good Thing None Of Us Got The Shot. Also, None Of Us Got The Flu.
by Anonymous 3 on Feb. 21, 2013 at 6:15 PM

i dont care. I dont regret getting it because i still had a better chance of being protected than all those nasties that didnt get it. Different strains mutate. Its life. We cant be saved from them all. But at least i was smart and got it anyway.

by Gold Member on Feb. 21, 2013 at 6:17 PM

I wonder how this percentage compared to the population that did not get the vaccine.

by Platinum Member on Feb. 21, 2013 at 6:19 PM

While we all did get the flu shot, dd got the flu almost a month ago.  Luckily they were able to get her on Tamiflu, she currently has strep.  The boys are not sick.  

by on Feb. 21, 2013 at 6:19 PM

Same here

Quoting Anonymous:

Good Thing None Of Us Got The Shot. Also, None Of Us Got The Flu.

by Gold Member on Feb. 21, 2013 at 6:20 PM

There's a shocker. 

by on Feb. 21, 2013 at 6:21 PM

EVery one I know who got that shot got the flu. And bad. 

No one here got it in our family, and no one got the flu, either. Germ prevention (washing hands, etc) goes a long way in staying healthy. Even boosting your own immune system naturally through a healthy diet can really help. 

by on Feb. 21, 2013 at 6:22 PM


Quoting Anonymous:

Good Thing None Of Us Got The Shot. Also, None Of Us Got The Flu.

by on Feb. 21, 2013 at 6:22 PM

I never get the flu shot and I didn't get it for my kids. I don't trust it, I get sick everytime I get it. 

None of us got the flu this year, we've had colds but no flu.

by on Feb. 21, 2013 at 6:22 PM
1 mom liked this

I'm glad I'm in the smarter 56%.

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