Table 2 Questionnaire survey results. The percentage and fraction of the participants who answered yes to each question is shown

Did you live separately from your housemate during your period of duty?

12.5% (1/8)

Any changes in your personal life?

37.5% (3/8)

• Immediate showering upon return

• Separate bedrooms

• Unpleasant treatment by family member

Did you have to go into the red zone?

75.0% (6/8)

Any effect on your surgery duty?

50.0% (4/8)

• Less involvement in operations

Any mental burden?

87.5% (7/8)

• Anxiety about getting infected

• Providing informed consent to families of unrescuable patients was emotionally difficult

• Although there was a treatment protocol, there was mental stress from taking part in treating an unfamiliar condition

Any physical burden?

37.5% (3/8)

• Having to attend the mandatory meetings everyday was a burden

• Having to use the phone for communication with patients and families

• Examining patients with personal protective equipment

Will to participate?

25.0% (2/8)