Flu Vaccine Barely Effective for U.S. Seniors

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Flu Vaccine Barely Effective for U.S. Seniors

The good news about the 2012-13 influenza season in the United States is that for the fourth week in a row, health care providers reported that they are seeing fewer patients who have influenza-like illnesses, according to the today's report from the U.S. Centers for Disease Control and Prevention. Information that is less comforting is the determination that this year's seasonal flu vaccination offered little protection to people age 65 years and older, especially to one strain of influenza, H3N2.

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