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23 set 2020 ano - A new variant of the virus is discovered. Researchers note that this new strain contains mutations that make the virus more infectious.
Adicionado na linha do tempo:
COVID 2020 - Policy, vaccines, therapies, and testing
By
MedicalGold.ca
16 set 2021
0
0
559
Data:
23 set 2020 ano
Agora
~ 3 years and 7 months ago
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