Protection conferred by Delta and BA.1/BA.2 infection against BA.4/BA.5 infection and hospitalization: A Retrospective Cohort Study.
Nicole E WinchesterNabin K ShresthaPriscilla KimLarisa G TereshchenkoMichael B RothbergPublished in: The Journal of infectious diseases (2023)
Prior infection with BA.1/BA.2 and up-to-date vaccination provided modest protection against infection with BA.4/BA.5 and hospitalization, while prior Delta infection provided minimal protection against hospitalization, and no infection protection.
Keyphrases