Multiple choice

Which of the following viruses is a major cause of bronchiolitis and pneumonia in infants that are less than one year old?

  1. Measles virus

  2. Para-influenza virus

  3. Newcastle virus

  4. Respiratory synctial virus

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Respiratory synctial virus is the major cause of bronchiolitis and pneumonia in infants that are less than one year old.