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How do we know the vaccines will work against virus variants? - Los Angeles Times
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VIDEO | 02:14
How do we know the vaccines will work against virus variants?
Science & Medicine

How do we know the vaccines will work against virus variants?

Booster shots may be needed in the future.

How do we know the vaccines will work against new variants of the coronavirus? The experts say that we may eventually need booster shots to combat some variants.
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