id author title date pages extension mime words sentences flesch summary cache txt cord-022337-f3a349cb Busse, William W. Infections 2007-05-09 .txt text/plain 7599 391 40 There is also evidence that the viruses which cause wheezing with respiratory tract infections may be age dependent; for example, infants wheeze with RSV while older children have exacerbations of asthma with rhinovirus.^^ To extend these observations. However, as already discussed, the increased frequency of LARs to antigen was still noted 4 weeks after the viral infection, suggesting that a viral respiratory infection has a greater, and possibly more lasting, effect on factors that participate in the development of LARs. Virus-associated airway hyperresponsiveness is a multifactorial process involving a complex interplay of IgE-dependent reactions, epithelial activation or damage, autonomic nervous system dysfunction and, of particular interest and relevance to our discussion, enhanced allergic inflammation."^^ In IgE-mediated reactions, the tissue response, be it the skin, nose or airway, is influenced by I g E sensitization of mast cells and basophils, release of bronchospastic and inflammatory mediators from sensitized cells, and the response of the target organ, which in asthma is bronchial smooth muscle. ./cache/cord-022337-f3a349cb.txt ./txt/cord-022337-f3a349cb.txt