Observational study to determine the optimal timing for surgery following SARS-CoV-2 infection and assess key global surgery indicators.

• Prospective, observational international cohort study.
• Any hospital worldwide can participate (including hospitals that have not admitted SARS-CoV-2 infected patients).
• All patients undergoing a surgical procedure in an operating theatre will be included. All consecutive eligible patients should be included.
• 7-day data collection period, with follow-up at 30 days after surgery for each patient. However, no changes should be made to normal patient care/ follow-up pathways
• Primary outcome is 30-day mortality.
• All collaborators will be included as PubMed-citable co-authors on resulting publications.

Inclusion criteria

• Any operation (elective or emergency) done in an operating theatre by a surgeon.
• All surgical specialties including: acute care surgery, breast surgery, cardiac surgery, colorectal surgery, general surgery, gynaecology, hepatobiliary surgery, neurosurgery, obstetrics, oesophagogastric surgery, ophthalmology, oral and maxillofacial surgery, orthopaedics, otolaryngology, paediatric surgery, plastic surgery, thoracic surgery, transplant surgery, trauma surgery, urology, vascular surgery.
• Day case surgery and inpatient surgery included.
• Any SARS-CoV-2 status (positive at any time, negative, not tested).
• All ages including children and adults.

Exclusion criteria:

Minor procedures (full list will be available in the protocol).

All patients undergoing surgery done in an operating theatre by a surgeon.