Epidemiological features after emergency declaration in Hokkaido and report of 15 cases of COVID-19 including 3 cases requiring mechanical ventilation - Edagawa, Shunji; Kobayashi, Fumiko; Kodama, Fumihiro; Takada, Masayuki; Itagaki, Yuki; Kodate, Akira; Bando, Keisuke; Sakurai, Keisuke; Endo, Akio; Sageshima, Hisako; Nagasaka, Atsushi (Global Health & Medicine, 2020)
Keywords: Brief Report; COVID-19; emergency declaration; mechanical ventilation; risk factor; SARS-CoV-2; COVID-19; SARS-CoV-2; mechanical ventilation; risk factor; emergency declaration