呼吸道合胞病毒(respiratory syncytial virus的缩写)abbreviation for respiratory syncytial virus: a type of virus that causes illnesses of the nose, throat, and lungs
Almost all children will have had an RSV infection by their second birthday. 几乎所有儿童在两周岁之前都会感染呼吸道合胞病毒。
RSV symptoms in most people are like those of flu but milder.