COntinuous Signs Monitoring In Covid-19 Patients

Inclusion Criteria: Participants are eligible to be included in the study only if all of the following criteria apply: 1. Adult (aged 16 years or older), hospital inpatients 2. Suspected or confirmed COVID-19 infection (nasopharyngeal swab sent or planned): 1. Positive nasopharyngeal swab during this admission OR 2. Nasopharyngeal swab pending during this admission and the treating team suspect COVID-19 OR 3. Negative nasopharyngeal swab during this admission but the treating team continue to suspect COVID-19 OR 4. Positive nasopharyngeal swab in the last 7 days 3. Emergency admission to hospital within the last 72 hours and/or a positive nasopharyngeal test within the last 72 hours taken from a patient who was already an inpatient at the time the swab was taken. 4. Symptoms consistent with COVID-19 infection at the time of admission or when swab taken: cough, shortness of breath, alteration to sense of taste or smell, fevers or other symptoms in keeping with COVID-19 in the opinion of the study team. 5. For full active treatment (including escalation to critical care) 6. The patient is at risk of deterioration (as evidenced by a requirement for supplementary oxygen) Exclusion Criteria: Participants are excluded from the study if any of the following criteria apply: 1. Patients unable to give informed consent. 2. Patients with a life expectancy of \<24hours. 3. Known allergy or history of contact dermatitis to medical adhesives. 4. Patients with pacemakers, implantable defibrillators or neurostimulators. 5. Patients with an arterio-venous fistula in either arm.