Pfizer's Ultra-Cold COVID-19 Vaccine: Needs Minus 70 Degrees Celsius Posted By: Unknown 18:57 Leave a Reply Work to distribute the experimental COVID-19 vaccine developed by Pfizer Inc and BioNTech is gearing up after the companies announced successful interim data earlier on Monday, but it will not be... from NDTV News - Latest https://ift.tt/3plKkrZ Tweet Share Share Share Share
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