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Moderna COVID-19 Vaccine More Effective Than Pfizer Against Delta Variant: Study

Moderna COVID-19 Vaccine More Effective Than Pfizer Against Delta Variant: Study
ibtimes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ibtimes.com Daily Mail and Mail on Sunday newspapers.

Pfizer s vaccine efficacy dropped to 42% while Moderna s was at 76% when the Delta variant became the dominant strain, study says

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