MINSK, BELARUS - DECEMBER 29, 2020: A medical worker holds a component of the Russian Gam-COVID-Vak (Sputnik V) vaccine against COVID-19 in a city hospital. The first batch of the Russian Sputnik V vaccine has arrived in Belarus; a mass vaccination campaign is starting in the country. Stringer/TASS.No use Russia.

Butantan divulga primeiros resultados de vacina única de influenza e Covid-19

O Instituto Butantan divulgou  os primeiros resultados de uma vacina única contra a Covid-19 e contra a gripe. Na fase

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