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nr intv yasmin widespread flu epidemic in the us _00001016.jpg
nr intv yasmin widespread flu epidemic in the us _00001016.jpg

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    Why is the Flu stronger this season?

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Why is the Flu stronger this season?

CNN's medical analyst Seema Yasmin explains why the Flu vaccine might not be as effective this season.

Why is the Flu stronger this season?

CNN's medical analyst Seema Yasmin explains why the Flu vaccine might not be as effective this season.