**3. Conclusion**

This chapter provided insight into the integrative approach to healthcare, with a particular focus on post-COVID-19 and ME/CFS disorders. Integrated healthcare consists of four main levels of health services delivery: the personal, the professional, the management, and the system level. In the framework of the practical research, the example of integration of coaching in the personal and professional level of primary healthcare of post-COVID-19 and ME/CFS patients demonstrated the potential for improvement in healthcare outcomes.

### **Acknowledgements**

The study was supported by the Latvian Science Council's Fundamental and Applied Research project No. lzp-2019/1-0380 "Selection of biomarkers in ME/CFS for patient stratification and treatment surveillance/optimization," with the approval of the Research Ethics Committee of the Riga Stradins University (Decision No. 6-1/05/33–30 April 2020, Riga).

### **Conflict of interest**

The authors declare no conflict of interest.
