Patient(11) Multiple(9) multiple sclerosis(9) COVID-19(9) sclerosis(9) SARS-CoV-2(9) cohort study(6) Result(5) measure(5) response(5) setting(5) reported(5) Importance(5) Point(5) finding(5) SARS-COV-2 infection(5) with COVID-19(5) participant(5) patients(5) Relevance(5) Hospitalized(5) objective(5) SARS-CoV-2 vaccine(3) identify(3) information(3) Care(3) Risk factors(3) Male sex(3) Comorbidity(3) Support(3)