为什么要给儿童接种疫苗?接种疫苗是保护儿童避免感染疾病的最安全和最有效措施,所有儿童均应按照国家免疫程序接种疫苗。我国国家免疫规划共有14种疫苗,可以预防15种疾病,其中儿童接种的11种疫苗,可预防12种传染性疾病,包括乙肝、脊髓灰质炎、麻疹、风疹、流行性腮腺炎、白喉、破伤风、百日咳、甲肝、乙脑、 Why vaccination for children? Vaccination is the safest and most effective measure to protect children from contracting the disease, and all children should be vaccinated in accordance with the national immunization schedule. Our national immunization program has a total of 14 vaccines that prevent 15 diseases, of which 11 are vaccinated against children and prevent 12 infectious diseases including hepatitis B, poliomyelitis, measles, rubella, mumps, diphtheria, and diphtheria Cold, whooping cough, hepatitis A, JE,