RSV is a highly contagious virus affecting the respiratory system, especially dangerous for infants, young children, and pregnant women. It leads to symptoms ranging from mild colds to severe respiratory issues.

Dr. Jaunita Mora said the respiratory syncytial virus is the leading cause of infant hospitalizations. Here are the people she said are most vulnerable to the disease.

Illness from RSV is considered an infectious disease, usually leading to an infection of the upper respiratory tract but possibly causing lower respiratory tract