What Is Bronchiolitis?
2. Causes
Bronchiolitis is usually caused by the respiratory syncytial virus (RSV). It is a very common virus, with the vast majority of people contracting it by the time they are 2 years old, and having had the disease does not appear to provide any long-term future immunity to it. It can be found all year round, but it is most likely to be found during the winter months.
The disease is usually spread when an infect person coughs or sneezes, thus spraying contaminated droplets into the environment. It is also often transmitted among people that share items like drinking vessels and cutlery.
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