How to prevent colds in children

How to prevent colds in children First, every time the season changes or climate changes, many parents are most worried about their child’s cold. . hzh{display:none;}  特别是婴幼儿体弱,一旦发生鼻塞、流鼻涕、打喷嚏、微咳、咽部不适、发热等,孩子家长就高度紧张,带孩子去医院看医生,医生往往诊断For upper respiratory tract infection, what is “upper respiratory tract …