Pfizer requests US emergency authorisation for Covid booster for adults
WASHINGTON: Drugmakers Pfizer and BioNTech announced on Tuesday they have formally submitted a request asking US officials for emergency authorisation of their Covid-19 booster vaccine for people aged 18 and older. The move follows research published by the companies in late October indicating a third shot is 95.6 per cent effective against symptomatic infection, based on clinical … Read more