HEALTHCAREINDIABioNTech, Pfizer Vaccine Neutralises Omicron with 3 DosesadminDecember 9, 2021December 9, 2021 December 9, 2021December 9, 2021 Pfizer and BioNTech announced a three-shot course of Covid-19 vaccine was able to neutralise the new Omicron variant and can deliver an Omicron-based vaccine by...