CD40LG and asthma: The early identification of allergic Aspergillus airway diseases can be challenging.1, 2 Furthermore, it manifests as a clinical spectrum rather than several distinct disease entities.3 Diagnosing allergic fungal airway diseases requires accessibility to serological tests and imaging 4–6 which pose a significant challenge in resource-poor counties where fungal sensitisation in asthma is prevalent.7 A novel point of care Aspergillus IgG–IgM lateral flow assay (LDBio diagnostics, Lyons, France) 8 has been developed.