Two Cases of Breakthrough Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infections Caused by the Omicron Variant (B.1.1.529 Lineage) in International Travelers to Japan - Maruki, Taketomo; Iwamoto, Noriko; Kanda, Kohei; Okumura, Nobumasa; Yamada, Gen; Ishikane, Masahiro; Ujiie, Mugen; Saito, Masumichi; Fujimoto, Tsuguto; Kageyama, Tsutomu; Saito, Tomoya; Saito, Shinji; et al. (Clinical infectious diseases, 2022)
Keywords: COVID-19; variant of concern; SARS-CoV-2; Omicron; spike mutation