Pfizer vaccine results are promising, but lack of data ‘very concerning,’ experts say - discu.eu

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Pfizer vaccine results are promising, but lack of data 'very concerning,' experts say https://www.nationalgeographic.com/science/2020/11/pfizer-biontech-interim-report-promising-but-lack-of-data-very-concerning/#close 10 comments 11/11/2020 worldnews