b型嗜血流行性感冒杆菌 (Hib)结合疫苗是预防 5岁以下婴幼儿Hib感染相应疾病的最简便、最有效、最经济、最安全的手段。辽宁省沈阳市于2 0 0 0年至今接种适龄儿童近万人次 ,预防婴幼儿相应的呼吸道疾病起到决定性作用和良好免疫效果。为广泛开展Hib结合疫苗接种 ,对≤ 5岁的 14 The Hib conjugate vaccine b is the simplest, most effective, economical and safest method to prevent Hib infection in infants under 5 years of age. Shenyang City, Liaoning Province has so far vaccinated nearly 10,000 children of school-age in 2000 and has played a decisive role and a good immunization effect in preventing the corresponding respiratory diseases in infants and young children. For extensive Hib conjugate vaccination, ≤ 5 years of age 14