Body temperature over 38 degrees The time of initial diagnosis or onset of symptoms is 3 days or less The initial onset of dyspnea is 3 days or less The chest image has improved by more than 50% in the last 24 to 48 hours SpO2 90% or less Blood pressure less than 90/60 mm Hg and more than 180/90 mm Hg The number of breaths is more than 40 per minute Heart rate less than 40 and more than 120 beats per minute New onset of arrhythmia and myocardial ischemia Moderate to severe heart disease (grade 3 or 4, according to the New York Heart Association) with ischemic or hemorrhagic stroke or neurodegenerative diseases Decreased level of consciousness Reluctance to continue treatment and discharge with personal consent

Body temperature over 38 degrees The time of initial diagnosis or onset of symptoms is 3 days or less The initial onset of dyspnea is 3 days or less The chest image has improved by more than 50% in the last 24 to 48 hours SpO2 90% or less Blood pressure less than 90/60 mm Hg and more than 180/90 mm Hg The number of breaths is more than 40 per minute Heart rate less than 40 and more than 120 beats per minute New onset of arrhythmia and myocardial ischemia Moderate to severe heart disease (grade 3 or 4, according to the New York Heart Association) with ischemic or hemorrhagic stroke or neurodegenerative diseases Decreased level of consciousness Reluctance to continue treatment and discharge with personal consent