https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(22)00880-5/fulltext
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Understanding the durability of the protection conferred by SARS-CoV-2 infection and vaccination is of utmost importance to guide COVID-19 mitigation policies worldwide. In November, 2021, before the emergence of the omicron (B.1.1.529) variant, an estimated …
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