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9 nov 2020 ano - Pfizer announces their vaccine is 90% effective.
Adicionado na linha do tempo:
COVID 2020 - Policy, vaccines, therapies, and testing
By
MedicalGold.ca
16 set 2021
0
0
566
Data:
9 nov 2020 ano
Agora
~ 3 years and 6 months ago
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