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https://www.thegatewaypundit.com/2021/11/pfizer-says-can-tweak-current-covid-vaccine-100-days-necessary/?utm_source=Telegram&utm_medium=PostTopSharingButtons&utm_campaign=websitesharingbuttons
Pfizer Says it can Tweak Current COVID Vaccine in 100 Days if Necessary in Response to Omicron Variant
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