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21 fev 2021 ano - February 21: Large-scale Israeli study finds that the Pfizer vaccine is 98.8% effective at preventing deaths and hospitalizations after 2 doses.
Adicionado na linha do tempo:
COVID 2021 - Policy, vaccines, therapies, and testing
By
MedicalGold.ca
16 set 2021
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0
301
Data:
21 fev 2021 ano
Agora
~ 3 years and 2 months ago
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