@politico.com 3 years ago Pfizer seeks emergency authorization for 2nd Covid booster for 65-plus
@WSJ 3 years ago The first large real-world study of how vaccines hold up against Omicron found that two shots of Pfizer and BioNTech’s Covid-19 vaccine lowered the risk of hospital admission by 70% for patients infected with the highly mutated variant on.wsj.com
@telegraph.co.uk 3 years ago Omicron is less severe than Covid delta variant and two vaccine jabs give good protection, study suggests
@abc.net.au 4 years ago South African COVID variant can 'break through' Pfizer vaccine, Israeli study says