Nasopharyngeal and serological anti SARS-CoV-2 IgG/IgA responses in COVID-19 patients
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Background: The systemic antibody responses to SARS-CoV-2 in COVID-19 patients has been extensively studied. However, less is known about the mucosal responses in the upper airways, the site of initial SARS-CoV-2 replication. ... ...
