- Absence of SARS-CoV-2 neutralizing activity in pre-pandemic sera from individuals with recent seasonal coronavirus infection.
Absence of SARS-CoV-2 neutralizing activity in pre-pandemic sera from individuals with recent seasonal coronavirus infection.
medRxiv : the preprint server for health sciences (2020-10-15)
Daniel Poston, Yiska Weisblum, Helen Wise, Kate Templeton, Sara Jenks, Theodora Hatziioannou, Paul Bieniasz
PMID33052353
초록
Cross-reactive immune responses elicited by seasonal coronaviruses might impact SARS-CoV-2 susceptibility and disease outcomes. We measured neutralizing activity against SARS-CoV-2 in pre-pandemic sera from patients with prior PCR-confirmed seasonal coronavirus infection. While neutralizing activity against seasonal coronaviruses was detected in nearly all sera, cross-reactive neutralizing activity against SARS-CoV-2 was undetectable.
MATERIALS
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Sigma-Aldrich
Anti-Coronavirus Group Antigen Antibody, nucleoprotein of OC-43, clone 542-7D, clone 542-7D, Chemicon®, from mouse