In a new study, researchers from Nationwide Children’s show that in a mouse model simulating human respiratory viral infection, pre-existing allergic disease prevents the development of asthma following viral infection. Further experiments revealed that this protection against post-viral asthma depends on neutrophils and the cytokine interleukin 4 (IL-4).

Read more at Pediatrics Nationwide: How Does Allergic Disease Protect Against Developing Asthma After Viral Infection?