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在尚未实施ｂ型流行性感冒(流感)嗜血杆菌(Ｈａｅｍｏｐｈｉｌｕｓｉｎｆｌｕｅｎｚａｅｔｙｐｅｂ,Ｈｉｂ)疫苗免疫规划的国家中,Ｈｉｂ是导致儿童患严重侵袭性细菌疾病的首要原因。婴幼儿常规免疫预防Ｈｉｂ的有效性已在诸如美国等国家中得到证实,免疫规划实质上已在该国人群
Hib is the leading cause of severe invasive bacterial disease in children in countries that have not yet been immunized against the Haemophilus influenzae type hypeb (Hib) vaccine. The effectiveness of routine immunization to prevent Hib in infants and young children has been demonstrated in countries such as the United States where immunization programs are already virtually covered