[Comunicado de imprensa – ainda não publicado] Estudo laboratorial sugere que uma terceira dose (reforço) da vacina da Pfizer–BioNTech pode ser necessária para fornecer uma resposta imunológica adequada à variante Ômicron.

Comunicado de imprensa: Pfizer and Biontech provide update on Omicron variant

Comentários:

Omicron likely to weaken COVID vaccine protection – Nature

Pfizer-BioNTech says COVID booster should protect against Omicron – CIDRAP

Expert reaction to press release from Pfizer-BioNTech about omicron and neutralising antibody titres after two and three vaccine doses – Science Media Centre

Covid: Pfizer says booster shot promising against Omicron – BBC

Pfizer-BioNTech Covid-19 shot loses power against Omicron variant, but booster restores protection – STAT