Prevalence of SARS-CoV-2–Specific Antibodies, Japan, June 2020

• DOI: 10.3201/eid2702.204088
• Publication Date: 2021-01-20T17:49:14Z
• Authors: Takashi Yoshiyama; Yasuki Saito; Kunitsugu Masuda; Yoshiko Nakanishi; Yasutoshi Kido; Kazuhiro Uchimura; Satoshi Mitarai; Tadaki Suzuki; Yu Nakagama; Hiroshi Kubota; Maki Satomi; Sana Uchikoba; Makoto Ohnishi; Takaji Wakita; Seiya Kato; Katsunobu Kato
• Keywords: 2019-20 coronavirus outbreak; Sars virus; Betacoronavirus; Pandemic; Coronavirus Infections; Coronavirus

We used 2 commercially available antibody tests to estimate seroprevalence of severe acute respiratory syndrome coronavirus infection in Japan during June 2020. Of 7,950 samples, 8 were positive by both assays. Using reliable conjunction is an effective method for estimating low prevalence settings.