
Pfizer, BioNTech not sure on vaccines' effectiveness on new COVID variant 'Omicron'
The companies also promised to develop a new vaccine against the variant in about 100 days, Sputnik reported.
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The companies also promised to develop a new vaccine against the variant in about 100 days, Sputnik reported.
Full ArticleFDA Calls for Fall COVID Boosters , To Target Omicron Subvariants.
NBC News reports that on June 30,
the Food and Drug..
Watch VideoPresident Joe Biden called the new coronavirus variant omicron a cause for concern but "not a cause for panic" Monday..