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Pfizer vaccine effective against coronavirus variants, study suggests
Coronavirus: Study shows Pfizer-Biontech vaccine may be effective against variant strains
Pfizer-BioNTech vaccine just as effective against viral variant, study says
Pfizer study suggests vaccine works against virus variant
Pfizer study suggests vaccine works against virus variant
Pfizer study suggests vaccine works against virus variant
COVID-19: Study finds Pfizer vaccine effective against new strains
Pfizer study says vaccine protects against variant
How Effective Are Pfizer & Covishield (AstraZeneca) Vaccines Against Variant Found In India?
Pfizer's Vaccine 94% Effective at Preventing Covid, Study Finds
Moderna vs Pfizer: Study suggests one is better against COVID-19
Pfizer, BioNTech Shot May Defeat New Variants, Study Shows
