Paediatrics – MCQ 41 – Commonest etiological agent for acute bronchiolitis in infancy

The most common etiological agent for acute bronchiolitis in infancy is:
A. Influenza virus
B. Para influenza virus
C. Rhinovirus
D. Respiratory syncytial virus

Correct answer : D. Respiratory syncytial virus (It is responsible for more than 50% cases of bronchiolitis)

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