ＲＳウイルスMeanings1nounRS virus; respiratory syncytial virusmedicineMedical term for the respiratory syncytial virus, a common cause of respiratory infections, especially in infants.ＲＳウイルスは乳にゅう幼よう児じに重おもい肺はい炎えんを起おこすことがある。RS virus can cause severe pneumonia in infants.
