miércoles, 19 de agosto de 2020

Coronavirus, COVID-19 Vaccine Tracker Update, August 18

Coronavirus, COVID-19 Vaccine Tracker Update, August 18

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Covid-19 vaccine tracker, August 18: And now, joint trials by China and Russia

August 19, 2020 7:47 am
Coronavirus (COVID-19) vaccine tracker August 18 update: The speed with which China and Russia have approved their vaccines has raised concerns over the safety and effectiveness of these vaccines.

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