What Is Bronchiolitis?
5. Age Risk Factors
An adult’s immune system is usually strong enough to resist the pathogens that can cause bronchiolitis. Very young children, however, will not yet have developed an immune system that is strong enough. This is one of the main reasons why bronchiolitis is found in children and not in adults.
Another factor that can exasperate the problem is that a baby’s lungs are not yet fully develop when very young, especially those younger than 3 months old. Young children are also often in close contact with many other young children, and this also makes them more likely to be exposed to the disease.
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