Testing IgG antibodies against the RBD of SARS-CoV-2 is sufficient and necessary for COVID-19 diagnosis.
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PLoS One. 2020 Nov 23;15(11):e0241164. doi: 10.1371/journal.pone.0241164. eCollection 2020.
PLoS One. 2020.
PMID: 33227020
Free PMC article.