Pfizer’s surprising news that its Covid-19 vaccine might offer more protection. Than anticipated an announcement right after a fraught US presidential election. Campaign is raising questions about exactly how the different shots will make it to market.
What is ahead of Covid 19 vaccines
Pfizer Inc. and the maker of the other leading US vaccine candidate. Moderna Inc., have been cautioning for weeks that the earliest they could seek regulatory approval. For wider use of their shots would be late November. In Britain, AstraZeneca recently said it hoped to prove its own vaccine was effective by year’s end. Late on Monday in a series of tweets President Donald Trump accused the US Food and Drug Administration. And Pfizer of waiting until after the election to announce its positive vaccine news.
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