TABLE 1.

Demographics of the patients

Number of patients (n)	8
Age in years (mean ± SD [range])	60 ± 14 (31‐81)
Male:female	2:6
Underlying diseases (n)
Mental retardation and/or psychiatric disorders	3
Hypertension	3
Dyslipidemia	3
Cerebral hemorrhage	2
Bronchial asthma	2
Cancer	1
Voluntarily brush their teeth (n [%])	6 (75)
Initial symptoms from multiple choice (n [%])
Fever	8 (100)
Cough	6 (75)
Diarrhea	4 (50)
Pneumonia detected in chest X‐rays (n [%])	6 (75)
Required supplemental oxygen inhalation (n [%])	3 (37.5)