Human and bovine respiratory syncytial virus: Immunopathologic mechanisms

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Abstract
Human respiratory syncytial virus (HRSV) is the major respiratory tract Pathogen of infants and young children. Bovine respiratory syncytial virus (BRSV) is recognised as an important cause of respiratory tract disease in calves. Both of these viruses and their respective diseases share many similarities. Immunopathologic mechanisms have been Proposed to be involved in the pathogenesis of respiratory syncytial virus (RSV) infections. This review examines the current understanding of the role of immunopathologic mechanisms in RSV infections. The role of vaccines in inducing hypersensitivity is also examined. Additionally, non‐immunopathogenic mechanisms involved in RSV infections are discussed.