People at High Risk for Severe RSV Infection | CDC

Most people who get an RSV infection will have mild illness and will recover in a week or two. Some people, however, are more likely to develop severe RSV infection and may need to be hospitalized. Examples of severe infections include bronchiolitis (an inflammation of the small airways in the lung) and pneumonia. RSV can also make chronic health problems worse. For example, people with asthma may experience asthma attacks as a result of RSV infection, and people with congestive heart failure may experience more severe symptoms triggered by RSV. The following groups of people are more likely to get serious complications if they get sick with RSV: