[WATCH] Chinese vaccine only 50% effective, compared to Pfizer and Moderna's 90%

Updated 3 years ago · Published on 14 Jan 2021 1:05PM · 0 Comments

The Chinese-developed Coronavac Covid-19 vaccine has demonstrated a 50 percent efficacy following tests in Brazil, according to the organization in charge of producing it in the South American country. – AFP, January 14, 2021.

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