GlobalSurg-CovidSurg Week

* 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.