Inclusion Criteria:  Both genders Population from all age groups Healthy Individuals Physically active - screening through Get Active questionnaire Willing to consent  Exclusion Criteria:  Cognitively Impaired Participants with absolute or relative contraindication to exercise testing Underlying condition limiting mask wearability Communication gap (language other than Urdu or English) Subjects performing regular physical activity (sports personal) Latent known/diagnosed disease condition People with Long Covid (evaluated via self-reported Post COVID-19 Functional Status Scale) Patients with laboratory diagnosed and symptomatic COVID-19