WHO Claims American Covid 19 Vaccine is 90% Effective.

Posted on November 10, 2020

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Sharing this story from GMA News: Title : Pfizer COVID-19 vaccine ‘very promising’ but has cold chain issues -WHO URL Link : https://www.gmanetwork.com/news/news/world/763605/pfizer-covid-19-vaccine-very-promising-but-has-cold-chain-issues-who/story/