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Pfizer, AstraZeneca vaccine antibody levels may decline after 2-3 months: Lancet study

London: Total antibody levels start to wane six weeks after complete immunisation with Pfizer and AstraZeneca vaccines and can reduce by more than 50...

Allergic reactions to Pfizer’s coronavirus vaccine more than expected : US official

The frequency of allergic reactions to Pfizer’s coronavirus vaccine is greater than earlier expected said a United States official. In an interview with CNN, Dr...

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