Covid-positive patients admitted to non-specialized wards From 18 to 75 years old Non-intubated and supported by oxygen therapy, No bed sores on shoulders, knees, and face, Estimated weight less than 100 kg

Covid-positive patients admitted to non-specialized wards From 18 to 75 years old Non-intubated and supported by oxygen therapy, No bed sores on shoulders, knees, and face, Estimated weight less than 100 kg