Marshfield Clinic helping CDC research flu vaccine - WAOW - Newsline 9, Wausau News, Weather, Sports

Marshfield Clinic helping CDC research flu vaccine

MARSHFIELD (WAOW) - Doctors say it's not too late to get your flu shot. But just how effective is the vaccine?

For ten years, the Marshfield Clinic has conducted research that examines the effectiveness of the flu shot. The clinic was the first site to receive CDC funding for this kind of research. From 2004-2005, the Clinic was the sole provider of this information.

"The flu study is definitely here and very present and all the time we get updates from them as far as what's going on the effectiveness of the flu vaccine so it's been amazing to have such support in the community for research," said Charito Santos, an urgent care physician at the Marshfield Clinic.

Now, five institutions across the country participate in the study. According to the CDC, last year's research found that in type B flu cases, the effectiveness of the vaccine was 67 percent. In type A cases, the effectiveness was 47%. 

 The CDC website says, effectiveness is determined by comparing flu patients who are vaccinated versus those who are not vaccinated. Doctors say getting the flu shot offers the best fight against the virus. But they admit the vaccine is not perfect.

"Obviously each person is going to react to the flu vaccine differently. Some people have built up more immunization to the flu vaccine, some people less,'' says Santos.

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