A tetravalent meningococcal meningitis vaccine (licensed in the United States) and a heptavalent vaccine protecting against meningitis A and C (to be licensed in 2007);
一种四价流行性脑脊髓膜炎疫苗(已在美利坚合众国获许可证)和一种预防脑膜炎A和C的七价疫苗(将于2007年注册);
A tetravalent meningococcal meningitis vaccine (licensed in the United States) and a heptavalent vaccine protecting against meningitis A and C (to be licensed in 2007);
一种四价流行性脑脊髓膜炎疫苗(已在美利坚合众国获许可证)和一种预防脑膜炎A和C的七价疫苗(将于2007年注册);
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