COVID-19(44) Patient(25) SARS-CoV-2(13) Result(12) herpes zoster(12) age(12) treated(11) COVID-19 infection(11) Infection(10) reported(10) objective(9) Characteristics(9) association(8) headache(8) demographic(7) SARS-CoV-2.(7) Symptom(7) vaccination(7) Vaccine(7) neurological(7) Case report(7) Cohort(7) COVID-19 patient(6) investigated(6) multiple sclerosis(6) with COVID-19(6) Treatment(6) outcome(6) patients(6) Sex(6)