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21 feb 2021 anni - February 21: Large-scale Israeli study finds that the Pfizer vaccine is 98.8% effective at preventing deaths and hospitalizations after 2 doses.

Aggiunto al nastro di tempo:

COVID 2021 - Policy, vaccines, therapies, and testing

ByMedicalGold.ca
16 set 2021

Data:

21 feb 2021 anni
Adesso
~ 3 years and 2 months ago
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