Risk of covid-19 related deaths for SARS-CoV-2 omicron (B.1.1.529) compared with delta (B.1.617.2): retrospective cohort study.

Isobel L WardCharlotte BerminghamDaniel AyoubkhaniOwen J GethingsKoen B PouwelsThomas YatesKamlesh KhuntiJulia Hippisley-CoxAmitava BanerjeeAnn Sarah WalkerVahe Nafilyan

Published in: BMJ (Clinical research ed.) (2022)

The results support earlier studies showing a reduction in severity of infection with omicron BA.1 compared with delta in terms of hospital admission. This study extends the research to also show a reduction in the risk of covid-19 death for the omicron variant compared with the delta variant.

Keyphrases

sars cov
coronavirus disease
respiratory syndrome coronavirus
emergency department
healthcare
adverse drug
case control
drug induced