COVID-19(79) SARS-CoV-2(69) Patient(66) reported(29) patients(28) SARS-COV-2 infection(26) coronavirus(23) nervous system(20) Infection(19) Odds ratio(18) neurological(18) multiple sclerosis(17) vaccination(17) Analysis(17) antibody(16) syndrome(16) acute respiratory syndrome(16) coronavirus disease(15) Guillain-barrè syndrome(15) Protein(15) mechanism(15) performed(15) disease(15) Immunoglobulin(14) association(14) subject(14) cerebrospinal fluid(14) pandemic(14) Treatment(14) Mild(14)