Kinetics of neutralizing antibodies against SARS-CoV-2 infection according to sex, age, and disease severity

Autor: Yoonjung Kim, Joon-Yong Bae, Kitae Kwon, Hyun-Ha Chang, Won Kee Lee, Heedo Park, Jeonghun Kim, Isaac Choi, Man-Seong Park, Shin-Woo Kim
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Scientific Reports, Vol 12, Iss 1, Pp 1-7 (2022)
Druh dokumentu: article
ISSN: 2045-2322
DOI: 10.1038/s41598-022-17605-1
Popis: Abstract Knowledge of the factors affecting the difference in kinetics and longevity of the neutralizing antibody (nAb) response to SARS-CoV-2 is necessary to properly prioritize vaccination. In the present study, from March to December 2020, of the 143 patients who recovered from COVID-19, 87 underwent study visits scheduled every 3 months. Patient demographics and blood samples were collected followed by a plaque reduction neutralization test to analyze nAb titers. A linear mixed model was used to compare the effects of sex, age, and disease severity over time. Results demonstrated a gradual reduction in nAb titers over time with a significant decrease from 6 to 9 months post-COVID-19 infection (p
Databáze: Directory of Open Access Journals
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