how is pneumonia different from rsv?
RSV is another virus that causes infections of the lungs and respiratory tract. RSV is so common that most children have been infected by the age of two. For the majority of those affected, RSV causes only mild cold-like symptoms but it is also the most common cause of bronchiolitis and pneumonia among infants and children under the age of one.
Key Facts. 1  Pneumonia is an infection in your lungs. 2  It may be a complication of the flu. 3  Most healthy people recover from pneumonia in 1 to 3 weeks, but it can be life-threatening. 4  One form of bacterial pneumonia can be prevented by getting vaccinated and practicing good health habits.