The precise mechanism by which butyrate-producing bacteria in the gut contribute to resistance to respiratory viral infections remains to be elucidated. Here, we describe a gut-lung axis mechanism and report that orally administered Clostridium butyricum (CB) enhances influenza virus infection re...
Background: Influenza A virus (IAV) causes a wide spectrum of clinical outcomes, from mild symptoms to life-threatening pneumonia. Recent studies have highlighted the role of the upper respiratory tract (URT) microbiota in modulating immune responses and influencing disease sever...