COVID-19 Incidence and Disease Course Among Patients at an Allergy Department.

Background: Since the coronavirus pandemic in 2020, there is not much reported about the disease course of COVID-19 in patients with allergic diseases.

Objectives: The aim of this study was to investigate the cumulative incidence and severity of COVID-19 among patients from the allergy department compared with the general Dutch population and people from their household.

Design: We conducted a comparative longitudinal cohort study.