• Nasopharyngeal swab samples (tested by RT-PCR) positive for the COVID-19. • Subjects Aged 15 years or more of all genders. • O2 saturation as measured by pulse oximetry (SpO2) greater than 90 % in room air. • Patients having symptoms mild to moderate in nature • A resting respiratory rate 30/m or less than 30/m. • Able to realize the content of questionnaires and who will provide consent.

• Nasopharyngeal swab samples (tested by RT-PCR) positive for the COVID-19. • Subjects Aged 15 years or more of all genders. • O2 saturation as measured by pulse oximetry (SpO2) greater than 90 % in room air. • Patients having symptoms mild to moderate in nature • A resting respiratory rate 30/m or less than 30/m. • Able to realize the content of questionnaires and who will provide consent.