inclusion criteria: * patients with long post-covid symptoms (from week 12 to week 24). * patients between 25 and 70 years old. * patients with moderate respiratory and/or functional affectation with long post covid-19 symptoms, belonging to four physiotherapy units of primary health care in madrid (spain). * confirmed diagnosis of covid-19 via a positive nasopharyngeal or throat swab within the past 12 months. * persistent symptoms lasting ≥12 weeks since the first positive test, including dyspnea (new or increased from baseline as measured by modified medical research council (mmrc) score ≥1). * normal oxygen saturation (greater than 90%) by pulse oximetry at rest on room air. * participant owns a smart phone, tablet, or computer to access on-line sessions.

inclusion criteria: * patients with long post-covid symptoms (from week 12 to week 24). * patients between 25 and 70 years old. * patients with moderate respiratory and/or functional affectation with long post covid-19 symptoms, belonging to four physiotherapy units of primary health care in madrid (spain). * confirmed diagnosis of covid-19 via a positive nasopharyngeal or throat swab within the past 12 months. * persistent symptoms lasting ≥12 weeks since the first positive test, including dyspnea (new or increased from baseline as measured by modified medical research council (mmrc) score ≥1). * normal oxygen saturation (greater than 90%) by pulse oximetry at rest on room air. * participant owns a smart phone, tablet, or computer to access on-line sessions.

inclusion criteria: patients with long post-covid symptoms (from week 12 to week 24). patients between 25 and 70 years old. patients with moderate respiratory and/or functional affectation with long post covid-19 symptoms, belonging to four physiotherapy units of primary health care in madrid (spain). confirmed diagnosis of covid-19 via a positive nasopharyngeal or throat swab within the past 12 months. persistent symptoms lasting ≥12 weeks since the first positive test, including dyspnea (new or increased from baseline as measured by modified medical research council (mmrc) score ≥1). normal oxygen saturation (greater than 90%) by pulse oximetry at rest on room air. participant owns a smart phone, tablet, or computer to access on-line sessions.

inclusion criteria: patients with long post-covid symptoms (from week 12 to week 24). patients between 25 and 70 years old. patients with moderate respiratory and/or functional affectation with long post covid-19 symptoms, belonging to four physiotherapy units of primary health care in madrid (spain). confirmed diagnosis of covid-19 via a positive nasopharyngeal or throat swab within the past 12 months. persistent symptoms lasting ≥12 weeks since the first positive test, including dyspnea (new or increased from baseline as measured by modified medical research council (mmrc) score ≥1). normal oxygen saturation (greater than 90%) by pulse oximetry at rest on room air. participant owns a smart phone, tablet, or computer to access on-line sessions.