Headache during SARS-CoV-2 infection as an early symptom associated with a more benign course of disease: a case-control study.

Background And Purpose: Headache is an important manifestation during SARS-CoV-2 infection. In this study, the aim was to identify factors associated with headache in COVID-19 and headache characteristics.

Methods: This case-control study includes COVID-19 hospitalized patients with pneumonia during March 2020.