Pfizer-BioNTech Vaccine Effective Against Brazil COVID-19 Variant, Study Finds
A recent study finds the Pfizer-BioNTech vaccine highly effective against the Brazil COVID-19 variant, offering hope amid warnings of a possible global surge.
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A recent study finds the Pfizer-BioNTech vaccine highly effective against the Brazil COVID-19 variant, offering hope amid warnings of a possible global surge.