Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Peking Union Medical College Hospital
Age
Any age
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1\. All patients having pre-operative SARS-CoV-2 infection diagnosis Dec 1st 2022 to Feb 28th 2023.
\[The COVID-19 diagnosis is based on either (a) a positive RT-PCR nasopharyngeal swab, (b) positive antigen rest before surgery, or (c) clinical diagnosis made before surgery\].
You may not be if
1. Patients diagnosed with SARS-CoV-2 infection on the day of surgery or during postoperative days.
2. Day surgery or outpatient surgery.
3. Patients unwilling to participate or provide COVID-19-related information.