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Emerg Infect Dis . Antibody Responses 8 Months after Asymptomatic or Mild SARS-CoV-2 Infection

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  • Emerg Infect Dis . Antibody Responses 8 Months after Asymptomatic or Mild SARS-CoV-2 Infection


    Emerg Infect Dis


    . 2020 Dec 22;27(3).
    doi: 10.3201/eid2703.204543. Online ahead of print.
    Antibody Responses 8 Months after Asymptomatic or Mild SARS-CoV-2 Infection

    Pyoeng Gyun Choe, Kye-Hyung Kim, Chang Kyung Kang, Hyeon Jeong Suh, EunKyo Kang, Sun Young Lee, Nam Joong Kim, Jongyoun Yi, Wan Beom Park, Myoung-Don Oh

    Abstract

    Waning humoral immunity in coronavirus disease patients has raised concern over usefulness of serologic testing. We investigated antibody responses of 58 persons 8 months after asymptomatic or mildly symptomatic infection with severe acute respiratory syndrome coronavirus 2. For 3 of 4 immunoassays used, seropositivity rates were high (69.0%-91.4%).

    Keywords: 2019 novel coronavirus disease; COVID-19; ECLIA; ELISA; SARS-CoV-2; antibody; coronavirus disease; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.

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