Flu Vaccine Effectiveness - 搜索图片

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The New York Times
The Flu Vaccine Is Working Better Than Expected, C.D.C. Finds - The New York Times
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cnn.com
This year's flu shot is less than 50% effective in preventing infection, CDC says | CNN
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wsj.com
CDC Warns on Flu Vaccine Effectiveness

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ihpi.umich.edu
Parents rate flu vaccine less important, effective, safe than oth…
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Warwickshire County Council elections
Flu vaccine – Warwickshire County Council - Residents
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Fox News
Health officials defend flu shots as outbreak grips nation
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The New York Times
Why You Need the Flu Shot Every Year - The New York Times

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