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ModeratePaediatricsBronchiolitisuk-plab-1

A 7-month-old boy presents with a 3-day history of coryzal symptoms, cough and increasing breathlessness. He has mild subcostal recession, respiratory rate 50/min, oxygen saturation 93% on air and is feeding 70% of normal. Auscultation shows widespread fine crackles and wheeze. What is the most likely diagnosis?

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