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Why We Lack Information About Which Flu Vaccines Work Best

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This season, 12 different kinds of flu vaccines were manufactured, creating 152 million doses of the flu shot. Some of those vaccines might be much more effective than others, but that information isn't always available.

Here & Now's Robin Young speaks with Helen Branswell (@helenbranswell), STAT's infections diseases and public health reporter.

This segment aired on February 7, 2018.

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