Booster dose of COVID-19 vaccine 95.6 pc effective, say Pfizer, BioNTech \
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Booster dose of COVID-19 vaccine 95.6 pc effective, say Pfizer, BioNTech

21-Oct-2021
Washington [US], October 21 (ANI): Pfizer and BioNTech said on Thursday that a booster shot of their COVID-19 vaccine has shown 95.6 per cent efficacy when compared to those who did not receive the booster dose.
21-Oct-2021 World
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