ST. PAUL, Minn. — New data released by the Centers for Disease Control and Prevention show that many older adults become sick with the flu despite being vaccinated.
The CDC data looked at outpatient clinic visits and found that the flu vaccine was only 9 percent effective in people 65 and older who came down with the A strain of the virus, which is also known as H3N2. That strain has caused hundreds of hospitalizations in Minnesota this season.
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