Pfizer-BioNTech COVID-19 vaccine shows positive results, may get approved by October

Image Source : FILE Pfizer-BioNTech COVID-19 vaccine shows positive results, on track for regulatory review in October US pharmaceutical company Pfizer and German biotech firm BioNTech released the safety and immunogenicity data from the phase 1 trial of their second and lead mRNA-based vaccine candidate against coronavirus.Pfizer and BioNTech said…

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