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Seasonal Flu FAQ's If I have had a flu shot once, do I need to get it again this year?
Seasonal Flu FAQ's If I have had a flu shot once, do I need to get it again this year?
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If I have had a flu shot once, do I need to get it again this year? |
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| Friday, 25 September 2009 12:41 |
| Yes. Influenza viruses are constantly changing. Therefore, a new influenza vaccine is created every year, and an annual vaccination is recommended. |