Protective effectiveness of previous SARS-CoV-2 infection and hybrid immunity against the omicron variant and severe disease: a systematic review and meta-regression
Niklas Bobrovitz(University of Calgary), Lorenzo Subissi(World Health Organization - Pakistan), Laith J. Abu‐Raddad(Fred Hutch Cancer Center), Melissa M. Higdon(Johns Hopkins University), David L. Buckeridge(McGill University), Mairead Whelan(University of Calgary), Xiaomeng Ma(University of Toronto), Anabel Selemon(University of Calgary), Vanessa Piechotta(Robert Koch Institute), Hanane Issa(University College London), Isabel Bergeri(World Health Organization), Christian Cao(University of Calgary), Annelies Wilder‐Smith(University of London), Zahra Premji(University of Victoria), Maria D. Van Kerkhove(World Health Organization), Zihan Li(University of Calgary), Reza Hosseini(University of British Columbia), Minal Patel(World Health Organization), Rahul K. Arora(University of Calgary), Daniel R. Feikin(Centers for Disease Control and Prevention), Brianna Cheng(University of Toronto)
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