Prospective Cohort Study to Describe the Clinical Characteristics of COVID-19, the Acquired Immune Response and the Biological and Clinical Parameters of Patients Followed in Oncology by the Saint-Joseph Hospital Group for a Period of 6 Months During the COVID-19 Pandemic

"As part of this research, the patient must complete questionnaires daily on the Obvio-19 application, one of 5 minutes.~Evaluation of the proportion of patients with COVID-19 infection's symptoms known to be associated with COVID-19 diagnosis (fever, cough, loss of taste and smell, sore throat, muscle pain, diarrhea, fatigue, difficulty eating and drinking and shortness of breath) followed during a period of 6 months.~To assess the prevalence and course of symptoms of COVID-19 infection of patients followed during a period of 6 months.~To establish the correlation of the COVID-19 infection with the biological and clinical data of patients from the Oncology cohort of the Groupe hospitalier Paris Saint-Joseph in Paris followed during a period of 6 months."