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Tag Archives: Immunity from Covid infection and vaccine immunity
Past SARS-CoV-2 infection protection against re-infection: a systematic review and meta-analysis – The Lancet
.. Findings: Our meta-analyses showed that protection from past infection and any symptomatic disease was high for ancestral, alpha, beta, and delta variants, but was substantially lower for the omicron BA.1 variant. Interpretation: Protection from past infection against re-infection from … Continue reading
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