脑膜炎球菌疾病因高发病率和死亡率使其成为一个严峻的全球公共卫生问题。全世界几乎每年有50多万侵袭性脑膜炎球菌疾病的病例,其中有超过6万的病人留下了严重的后遗 Meningococcal disease is a serious global public health problem due to its high morbidity and mortality. Almost half a million cases of invasive meningococcal disease occur every year in the world, with more than 60,000 of them leaving serious aftermaths