About-Bronchiolitis is a common lower respiratory tract infection mostly affects young children and infants and causes inflammation and congestion in the small airways (bronchioles) of the lung.
Causes- Bronchiolitis is caused by the respiratory syncytial virus (RSV), which is spread through tiny droplets of liquid from the coughs or sneezes of someone who's infected.
Dry and persistent cough
Paediatrician
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