The mutation is known as CCR5 delta32 and is found in 1 percent to 3 percent of white populations of European descent.
这种CCR5delta32的基因突变在欧洲的白人中的存在概率为1%到3%。
The FBI says 3 men of Middle Eastern descent were caught trying to slip past a checkpoint in a cargo truck.
美国联邦调查局称有3名中东男性被抓获，他们藏匿于运货卡车中，试图逃过安检。
The FBI says 3 men of Middle Eastern descent were caught trying to slip past a checkpoint in a cargo truck.
美国联邦调查局称有3名中东男性被抓获，他们藏匿于运货卡车中，试图逃过安检。
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