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8 nov 2020 - COVID-19 Vaccine Candidate Announced

Description:

Pfizer and BioNTech SE announced the efficacy of a COVID-19 vaccine according to clinical trials

Ajouté au bande de temps:

500+ Years of Chicanx History

23 janv. 2021

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Date:

8 nov 2020

Maintenaint

~ Il y a 4 ans et 7 mois

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