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Antibody Responses 8 Months after Asymptomatic or Mild SARS-CoV-2 Infection |
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| Authors: | 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 |
| Affiliation: | Seoul National University College of Medicine, Seoul, South Korea (P.G. Choe, C.K. Kang, H.J. Suh, E. Kang, S.Y. Lee, N.J. Kim, W.B. Park, M.-d. Oh);Pusan National University School of Medicine, Busan, South Korea (K.-H. Kim, J. Yi) |
| 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 coronavirus disease COVID-19 severe acute respiratory syndrome coronavirus 2 SARS-CoV-2 viruses respiratory infections zoonoses antibody ELISA ECLIA |