Abstract
H Bisgaard, MN Hermansen, K Bonnelykke. BMJ. 2010;341:c4978 Viral infections have been consistently associated with wheezing episodes, but no studies have suggested a role for bacterial infection. This study evaluated the association between wheeze in young children and the presence of bacteria in the airways. Infants ( N = 411) from the Copenhagen Prospective Study on Asthma in Childhood with a maternal history of asthma were recruited at 4 weeks of age. Exclusion criteria were premature birth (<36 weeks' gestation), history of mechanical ventilation, congenital …
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