Serologic Survey of IgG Against SARS-CoV-2 Among Hospital Visitors Without a History of SARS-CoV-2 Infection in Tokyo, 2020-2021.

Sanada T, Honda T, Yasui F, Yamaji K, Munakata T, Yamamoto N, Kurano M, Matsumoto Y, Kohno R, Toyama S, Kishi Y, Horibe T, Kaneko Y, Kakegawa M, Fukui K, Kawamura T, Daming W, Qian C, Xia F, He F, Yamasaki S, Nishida A, Harada T, Higa M, Tokunaga Y, Takagi A, Itokawa M, Kodama T, Kohara M.J Epidemiol. 2022 02 05;32(2):105-111. doi: 10.2188/jea.JE20210324