headache(22) COVID-19(18) Coronavirus disease 2019(11) migraine(11) Symptom(10) conducted(8) coronavirus disease(8) Patient(7) coronavirus(7) Sery(7) patients(7) SARS-CoV-2(6) Infection(5) Fever(5) Frequency(5) Hospitalized(5) female(5) NEUROLOGY(4) with COVID-19(4) Headaches(4) the disease(4) Characteristics(4) reported(4) Course(4) Prevalence(4) severe acute respiratory syndrome coronavirus 2(4) hospital discharge(3) described(3) hospitalized patients(3) collected(3)