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Advanced filters: Author: Niklas Bobrovitz Clear advanced filters

  • Chemaitelly et al. investigate effects of immune history on SARS-CoV-2 reinfections using three retrospective cohort studies in Qatar from 28 February 2020 to 12 August 2024. Two sequential omicron infections after vaccination offer less protection than a single omicron infection occurring either after vaccination alone or following a pre-omicron infection and vaccination.

    • Hiam Chemaitelly
    • Houssein H. Ayoub
    • Laith J. Abu-Raddad
    ResearchOpen Access
    Communications Medicine
    Volume: 5, P: 1-10