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New Brazil data shows disappointing 50.4% efficacy for China's CoronaVac vaccine https://ift.tt/3siTV44 https://ift.tt/3oEcPA5 https://ift.tt/3oEcPA5 https://ift.tt/35wJGiQ

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Submitted January 12, 2021 at 06:49PM by TigerSharkFist https://ift.tt/35wJGiQ TigerSharkFist

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