“…Although, it is not only COVID-19 that is characterized by fever, smart thermometer has been extensively deployed in the detection of COVID-19 cases [5]. Smart devices that monitor blood glucose are also helpful especially for diabetic patients, patients with chronic illnesses and the elderly who are being deprived of the opportunity to visit hospital and diagnostic center due to COVID-19 lockdown, restriction of movement, border closure, and social distancing [6]. A great surge was observed in the usage of pulse oximeters during COVID-19 to determine blood oxygen levels at homes [1].…”