The objective of this study is to clarify the severity of psychological problems and insomnia and the two's relationship with time of hospital medical staff in hospital where its staff are infected with COVID-19.

A cross-sectional questionnaire survey method was adopted to conduct investigations of medical staff in the researched hospital within one week (baseline) and one year (follow-up) after the discovery of COVID-19 infection cases. 360 subjects were included in the baseline. Then, after one year, 199 subjects who participated in the survey at baseline were included as follow-up. The HADS, ASDS and ISI scales were used to assess the anxiety and depression level, acute stress disorder symptoms, and the severity of insomnia of hospital medical staff; self-made questionnaires was to collect demographic information and descriptive content. Comparing the follow-up medical staff with the baseline, the total scores of ASDS, HADS and ISI, each item scores on the ASDS, HADS and ISI. All of above scales are compared between the quarantined and non-quarantined groups, different quarantined groups (home, hotel, hospital) and non-quarantined groups.

Inclusion Criteria:

• all medical staff of a third-level general hospital in Beijing who discovered a sporadic case of COVID-19 infection; Volunteer to participate in surveys and follow-ups

Exclusion Criteria:

• Incomplete information fills in, which affects the result analysis

There were 644 medical staff on duty in the hospital, of which 360 people participated in the baseline survey, accounting for 55.90%. In the follow-up survey after one year, 199 out of 360 people in the baseline participated, accounting for 55.28% of the baseline.