Fmr. CDC director on Pfizer’s vaccine trial: This is great news, but it’s too soon to be certain

Fmr. CDC director on Pfizer’s vaccine trial: This is great news, but it’s too soon to be certain

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An updated Covid-19 vaccine is coming this fall, says CDC DirectorПодробнее

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What do the results of Pfizer’s COVID-19 vaccine trial mean?Подробнее

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Pfizer says trials suggest its coronavirus vaccine is 90% effectiveПодробнее

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German company BioNTech and Pfizer announce 90% effective coronavirus vaccine | COVID-19 SpecialПодробнее

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Early results suggest Pfizer vaccine is 90 percent effective at preventing COVID-19Подробнее

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Pfizer's Covid-19 vaccine candidate shows promise, but faces supply and distribution hurdlesПодробнее

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