First and second COVID-19 waves in Japan: A comparison of disease severity and characteristics

• Published in: The Journal of infection Vol. 82; no. 4; pp. 84 - 123
• Main Authors: Saito, Sho, Asai, Yusuke, Matsunaga, Nobuaki, Hayakawa, Kayoko, Terada, Mari, Ohtsu, Hiroshi, Tsuzuki, Shinya, Ohmagari, Norio
• Format: Journal Article
• Language: English
• Published: England Elsevier Ltd 01.04.2021; The British Infection Association. Published by Elsevier Ltd
• Subjects: Characteristics; COVID-19; Humans; Japan - epidemiology; Length of Stay; Letter to the Editor; Mortality; Risk Factors; SARS-CoV-2; Severity; Severity of Illness Index; Japan; Severity; Covid-19; Characteristics; Mortality

•Coronavirus disease has emerged as a global pandemic.•Japan has experienced two waves of the disease.•The second wave had a lower proportion of severe cases on admission.