SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy.
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EClinicalMedicine. 2021 May;35:100861. doi: 10.1016/j.eclinm.2021.100861. Epub 2021 Apr 28.
EClinicalMedicine. 2021.
PMID: 33937733
Free PMC article.