intensely crowded conditions of the

intensely crowded conditions of the Haji +
high carrier rates of Neisseria meningitidis among pilgrims -
outbreaks of meningococcal disease have historically been a problem of Haji

Results (Chinese) 1:

极度拥挤条件下的哈吉 +脑膜炎奈瑟氏菌-的朝圣者当中的高的载波率脑膜炎球菌病疫情历来的哈吉的问题

Results (Chinese) 2:

哈吉在+的强烈拥挤的环境
朝圣者当中脑膜炎奈瑟氏菌的高载率-
脑膜炎球菌疾病的爆发在历史上一直哈吉的问题

Results (Chinese) 3:

极度拥挤的条件下的Haji朝圣者中脑膜炎奈瑟菌带菌率高—脑膜炎球菌病的爆发历来是Haji的问题