ted pulmonary aspergillosis in order to facilitate clinical studies and the definition may also be useful to study COVID-19-associated pulmonary aspergillosis.

Introduction
Invasive pulmonary aspergillosis (IPA) is a well-recognized disease affecting immunocompromised individuals with prolonged neutropenia, inherited neutrophil disorders or T cell defects, with the risk depending on the patients’ underlying disease and the type and duration of immunosuppressive therapy [1]. Patients at the highest risk of invasive aspergillosis (IA) include those undergo