• Patients aged 16 years and over in Ghana. (This criteria MUST be made country-specific) • Planned to undergo any type of elective or emergency inpatient surgery requiring general or regional anaesthesia (such as vulnerable patients undergoing surgery for a fractured neck of femur). • Asymptomatic of COVID-19, including patients with: those not tested, negative test results, positive test but no symptoms • Informed patient consent.

• Patients aged 16 years and over in Ghana. (This criteria MUST be made country-specific) • Planned to undergo any type of elective or emergency inpatient surgery requiring general or regional anaesthesia (such as vulnerable patients undergoing surgery for a fractured neck of femur). • Asymptomatic of COVID-19, including patients with: those not tested, negative test results, positive test but no symptoms • Informed patient consent.