Pfizer-BioNTech

  • Pfizer-BioNTech to test third dose of Covid vaccine
    New York, February 26 (IANS): Pharmaceutical companies Pfizer and BioNTech said that they have begun an evaluation of the safety and immunogenicity of a third dose of the Pfizer-BioNTech Covid-19 vaccine (BNT16
    Health / 26th February 2021
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