Prepandemic cross-reactive humoral immunity to SARS-CoV-2 in Africa: Systematic review and meta-analysis

John P A Ioannidis; Despina G. Contopoulos‐Ioannidis

doi:10.1016/j.ijid.2023.06.009

Abstract

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Prepandemic samples from Africa show high levels of anti-SARS-CoV-2 seropositivity. At the country level, cross-reactivity tracks especially with malaria prevalence.

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