question: Introduction: Covid-19 infection has particularly affected older adults. Clinical observations in this population highlight major respiratory impairment associated with development or aggravation of frailty state. Case Presentation : Mr P is a 93 years old frail patient, hospitalized after a COVID-19 infection. The assessment process of this patient has been supported by an innovative multi-systemic tool developed in view of the COVID-19 clinical consequences and a systemic evaluation of motor functions by the Frail BESTest. This process allowed presenting a mixed clinical picture associating an important respiratory distress (linked with the acute respiratory distress syndrome) and an evident motor frailty. The care plan was developed accordingly, and four assessment were done in the same manner until the return home of Mr P Conclusion: : This case report allows seeing holistically a COVID-19 clinical picture, showing the different axis of clinical reasoning to enhance the rehabilitation process. Furthermore, this case report illustrate the importance of rehabilitation in the Covid-19 context.