Effectiveness of flu shot Is 60%

Flu season off to an early – and nasty – start

Some experts say this year's flu shot might not prevent the illness for nine out of 10 people. Doctors, she said, may prescribe anti-viral medication for those with higher-risk conditions.

Experts say that if you do get the flu, it will likely be less severe if you have gotten a flu shot.

"Our flu season started early this year", explained the Pima County Health Department's Deputy Director, Paula Mandel.

That 10 percent number actually reflects how effective the flu shot was in Australia's flu season a few months ago, during our summer.

Steven O'Marro, an infection preventionist, says despite possibly being less effective, the flu shot still serves a objective. However, only about one-third of those tested to be actual cases of the flu, and almost all of those confirmed flu cases were indeed one of the three strains targeted by the current flu shot serum. More than double the number of cases are being reported compared to this time past year.




"Which is 11 per cent higher than the similar period last year or the year before that when 225,000 had been given", Shahab said.

We also researched bird flu strains by visiting a New England shoreline each year to take samples from birds that travel from the southern tip of South America and take a break to feed on horseshoe crabs. As part of a team that comes up with the vaccine for the season, I am the first to acknowledge that we don't always get the vaccine exactly right.

Hospitalizations are on the rise for a common winter illness. Roberts said it is too early to tell if the flu vaccine is working but said that even a little protection helps in the long run.

The flu vaccine may not be 100% effective for everyone.

Richard Webby, PhD, is a member of the infectious disease department at St. Jude Children's Research Hospital and one of a select group of scientists responsible for determining which flu vaccines will be put into circulation each year. When your immune system kicks into gear making antibodies, your body's natural response can involve fatigue, soreness and even mild fever. Now circulating viruses seem not to have undergone significant antigenic drift; circulating A (H3N2) viruses are antigenically less similar to egg-grown A (H3N2) viruses used for most U.S. influenza vaccine production. Vaccinations are also about protecting others.

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