Kinetics of COVID-19 mRNA primary and booster vaccine-associated neutralizing activity against SARS-CoV-2 variants of concern in long-term care facility residents: a prospective longitudinal study in Japan. - Kakugawa, Tomoyuki; Doi, Keiko; Ohteru, Yuichi; Kakugawa, Hiroyuki; Oishi, Keiji; Kakugawa, Masahiro; Hirano, Tsunahiko; Mimura, Yusuke; Matsunaga, Kazuto (Immunity & Ageing, 2023)