Recent advances in understanding rhinovirus immunity [version 1; referees: 4 approved]

Recent advances in understanding rhinovirus immunity [version 1; referees: 4 approved]

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Rhinoviruses are the most common cause of upper respiratory tract infections.However, they can induce exacerbations of chronic obstructive pulmonary disease and asthma, bronchiolitis in infants, and significant lower respiratory tract infections in children, the immunosuppressed, and the elderly.The large number of rhinovirus strains (currently about 160) and their antigenic diversity are nyx 22 brush significant obstacles in vaccine development.The phenotype of immune responses induced during rhinovirus infection can affect disease rawafricaonline.com severity.Recognition of rhinovirus and a balance of innate responses are important factors in rhinovirus-induced morbidity.

Immune responses to rhinovirus infections in healthy individuals are typically of the T helper type 1 (Th1) phenotype.However, rhinovirus-driven asthma exacerbations are additionally characterised by an amplified Th2 immune response and airway neutrophilia.This commentary focuses on recent advances in understanding immunity toward rhinovirus infection and how innate and adaptive immune responses drive rhinovirus-induced asthma exacerbations.