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
Author(s) -
Taketomo Maruki,
Noriko Iwamoto,
Kohei Kanda,
Nobumasa Okumura,
Gen Yamada,
Masahiro Ishikane,
Mugen Ujiie,
Masumichi Saito,
Tsuguto Fujimoto,
Tsutomu Kageyama,
Tomoya Saito,
Shinji Saito,
Tadaki Suzuki,
Norio Ohmagari
Publication year - 2022
Publication title -
clinical infectious diseases
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.44
H-Index - 336
eISSN - 1537-6591
pISSN - 1058-4838
DOI - 10.1093/cid/ciab1072
Subject(s) - lineage (genetic) , covid-19 , coronavirus , medicine , virology , disease , betacoronavirus , infectious disease (medical specialty) , gene , pathology , biology , genetics , outbreak
In November 2021, the World Health Organization designated a new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant of concern, Omicron (PANGO lineage B.1.1.529). We report on the first 2 cases of breakthrough coronavirus disease 2019 (COVID-19) caused by Omicron in Japan among international travelers returning from the country with undetected infection. The spread of infection by Omicron were considered.
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