Table 4 Discharge standards and follow-up plan

1- Body temperature: normal for > 3 days.

2- Respiratory symptoms: significantly improved.

3- PCR: negative for respiratory tract pathogen twice (48 h apart).

4- Lung imaging: showing obvious improvement.

5- No comorbidities or complications which require hospitalization.

6- SpO₂, > 94% without assisted oxygen inhalation.

7- Discharge approved by multi-disciplinary medical team.

Symptomatic Treatment: as needed

Antiviral drugs: for patients with multiple lung lesions in the first 3 days after their nucleic acid tests are negative.

Follow-up call: within 48 h after discharge.

Outpatient follow-up: 1 week, 2 weeks after discharge.

Examinations: include

• CBC&CRP

• Lung CT scan according to the patient's condition.

• PCR test of sputum and stool samples.

• Liver and kidney functions,

Follow-up phone calls: 3 and 6 months after discharge.