inclusion criteria: * male and female subjects aged between 18 and 75 years old (inclusive); * subjects previously hospitalized due to covid-19, who are recovered and discharged with negative results for covid-19 and released from quarantine; * known symptoms of respiratory dysfunctions (such as dyspnea), and / or neurological/psychological dysfunction (such as sleep disorders, anxiety, and depression) and / or somatic dysfunction (such as fatigue); * borg dyspnea or fatigue score before study treatment ≥ 1 (please refer to appendix 2: borg scale for specific information), and psqi score ≥ 2 (please refer to appendix 3: psqi scale for specific information); * subjects who are willing to participate and provided written informed consent form.

inclusion criteria: * male and female subjects aged between 18 and 75 years old (inclusive); * subjects previously hospitalized due to covid-19, who are recovered and discharged with negative results for covid-19 and released from quarantine; * known symptoms of respiratory dysfunctions (such as dyspnea), and / or neurological/psychological dysfunction (such as sleep disorders, anxiety, and depression) and / or somatic dysfunction (such as fatigue); * borg dyspnea or fatigue score before study treatment ≥ 1 (please refer to appendix 2: borg scale for specific information), and psqi score ≥ 2 (please refer to appendix 3: psqi scale for specific information); * subjects who are willing to participate and provided written informed consent form.

inclusion criteria: male and female subjects aged between 18 and 75 years old (inclusive); subjects previously hospitalized due to covid-19, who are recovered and discharged with negative results for covid-19 and released from quarantine; known symptoms of respiratory dysfunctions (such as dyspnea), and / or neurological/psychological dysfunction (such as sleep disorders, anxiety, and depression) and / or somatic dysfunction (such as fatigue); borg dyspnea or fatigue score before study treatment ≥ 1 (please refer to appendix 2: borg scale for specific information), and psqi score ≥ 2 (please refer to appendix 3: psqi scale for specific information); subjects who are willing to participate and provided written informed consent form.

inclusion criteria: male and female subjects aged between 18 and 75 years old (inclusive); subjects previously hospitalized due to covid-19, who are recovered and discharged with negative results for covid-19 and released from quarantine; known symptoms of respiratory dysfunctions (such as dyspnea), and / or neurological/psychological dysfunction (such as sleep disorders, anxiety, and depression) and / or somatic dysfunction (such as fatigue); borg dyspnea or fatigue score before study treatment ≥ 1 (please refer to appendix 2: borg scale for specific information), and psqi score ≥ 2 (please refer to appendix 3: psqi scale for specific information); subjects who are willing to participate and provided written informed consent form.