The relationship between asthma, atopy and underlying type-2 (T2) airway inflammation is complex. While the bacterial airway microbiota is known to differ in asthmatic patients, the fungal and bacterial markers that discriminate T2-High (eosinophilic) and T2-Low (neutrophilic/mixed-inflammation) asthma and atopy are still incompletely identified.


Yale Rosen [CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

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