Berita Efficacy Hari Ini

Internasional

The Efficacy of The Pfizer Covid-19 Vaccine Wanes to 84 Percent, Should We Need A Booster?

7 Agustus 2021, 14:50 WIB

A proof leads that the efficacy of Pfizer vaccine for Covid-19 wanes to 84 percent. Scientist told about booster for third shoots.

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