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Bronchiolitis : Overview, Causes, & Risk Factors

Bronchiolitis : Overview, Causes, & Risk Factors

Definition Bronchiolitis is swelling and mucus buildup in the smallest air passages in the lungs (bronchioles), usually due to a viral infection. Overview, Causes, & Risk Factors Bronchiolitis usually affects children under the age of 2, with a peak age … Read more