Three COVID-19 vaccines may provide greater protection from COVID-19 infections than two (IMAGE)

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Three COVID-19 vaccines may provide greater protection from COVID-19 infections than two

Caption

Researchers find a third COVID-19 vaccine dose offers better protection than two.

Credit

Hakan Nural, Unsplash (CC0, https://creativecommons.org/publicdomain/zero/1.0/)

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No restrictions.

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CC0

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