inclusion criteria: - patients recovered from covid -19 infection. - patients with body mass index 25 - 35 kg/m2 - patients previously diagnosed with chest symptoms of covid- 19 infection. - patients' body temperature less than 37.5 - blood oxygen saturation ≥95%

inclusion criteria: - patients recovered from covid -19 infection. - patients with body mass index 25 - 35 kg/m2 - patients previously diagnosed with chest symptoms of covid- 19 infection. - patients' body temperature less than 37.5 - blood oxygen saturation ≥95%