Patients (2) Multiple sclerosis (2) Patients (2) puits (1) virus (1) sécurité (1) jeune (1) Fatigue (1) Treatment (1) Case (1) Vaccines (1) Vaccination (1) Throat (1) Symptoms (1) Social sciences (1) Rubella (1) Myalgia (1) Mumps (1) Measles (1) Infection (1) Grammar, Comparative and general--Case (1) Fever (1) Fatigue (1) Evidence (1) Drugs (1) Days (1) Comprehension (1) Communicable diseases (1) Change (1) Case (1)