The Pfizer and Biontech vaccines are 90% effective.

[ad_1] Pfizer and Biontech are the first pharmaceutical companies to publish successful data (Dogokan Kaskinkelich / Anatolia) “Pfizer” and “Biontech” announced that the vaccine against Covid-19 they are developing is “90% effective”, after a preliminary analysis of the results of the third phase of clinical trials, which is the last …

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