Opinions, beliefs and knowledge of people with multiple sclerosis on COVID-19 pandemic and vaccine.

Background: Considering the potential COVID-19 impact on pwMS health and the importance of vaccination for this population, we decided to assess: (a) pwMS' beliefs and knowledge on COVID-19 pandemic; (b) their acceptance towards COVID-19 vaccination and (c) pwMS' opinions on general vaccination.

Methods: Observational study, based on a cross-sectional (10-20 September 2020) online survey, conducted in a cohort of pwMS' followed at two Portuguese hospitals. The survey included measures to characterize the sample and a questionnaire designed to assess the topics defined for this study.