1. Patients aged 16 years and over. <br/ >2. 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). <br/ >3. Asymptomatic of COVID-19, including patients with: those not tested, negative test results, positive test but no symptoms <br/ >4. Informed patient consent. <br/ >

1. Patients aged 16 years and over. <br/ >2. 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). <br/ >3. Asymptomatic of COVID-19, including patients with: those not tested, negative test results, positive test but no symptoms <br/ >4. Informed patient consent. <br/ >

1. Patients aged 16 years and over. <br/ >2. 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). <br/ >3. Asymptomatic of COVID-19, including patients with: those not tested, negative test results, positive test but no symptoms <br/ >4. Informed patient consent. <br/ >

1. Patients aged 16 years and over. <br/ >2. 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). <br/ >3. Asymptomatic of COVID-19, including patients with: those not tested, negative test results, positive test but no symptoms <br/ >4. Informed patient consent. <br/ >