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Some children have infections with few or minor symptoms.Bronchiolitis begins as a mild upper respiratory infection that, over a period of 2 to 3 days, can develop into increasing respiratory distress with wheezing and a"tight" wheezy cough.The in...
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Most cases of bronchiolitis are caused by viruses, the most common of which is respiratory syncytial virus. Other common viral causes include parainfluenza, influenza, and adenovirus.
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