Changes in population immunity against infection and severe disease from SARS-CoV-2 Omicron variants in the United States between December 2021 and November 2022.

Fayette KlaassenMelanie H ChitwoodTed CohenVirginia E PitzerMarcus RussiNicole A SwartwoodJoshua A SalomonNicolas A Menzies

Published in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2023)

Effective protection against SARS-CoV-2 infection and severe disease in November 2022 was substantially higher than in December 2021. Despite this high level of protection, a more transmissible or immune evading (sub)variant, changes in behavior, or ongoing waning of immunity could lead to a new SARS-CoV-2 wave.

Keyphrases

sars cov
respiratory syndrome coronavirus
early onset
gene expression
copy number