BrainStuff

Why Is a Universal Flu Vaccine So Difficult to Develop?

Sep 4, 2020 · 7 min · 7.5 MB
0:00-7:43

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Today's flu vaccines can absolutely prevent or lessen an influenza infection, but they have to be taken yearly and don't always work. Learn why -- and what researchers are doing about it -- in this episode of BrainStuff.

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