Scientists are trying to confirm the link between Zika and microcephaly.
目前，科学家们正在试图确定寨卡病毒和头小畸形症间的直接联系。
Disproportionate head measurements may indicate hydrocephaly or microcephaly.
比例不符的头围可能表示脑积水或小头畸形。
The babies have a condition called microcephaly. Microcephaly causes severe brain damage.
这些婴儿患上了所谓的小头畸形症，它会导致严重的脑损伤。
There have been about 3,500 cases of congenital microcephaly, according to Brazilian health authorities.
据巴西卫生部门透露，目前已有3500例先天性小头症病例。
If infected with the virus, women can give birth to babies with a severe condition known as microcephaly.
如果感染这种病毒，妇女会生下患有小头症的婴儿。
The U. S. Centers for Disease Control (CDC) explains on its website that there many causes of microcephaly.
美国疾病控制预防中心在其网站上解释说，小头畸形症有多方面的原因。
The virus is linked to microcephaly, a condition in which babies are born with undersized brains and skulls.
该病毒与婴儿小头症有关，即婴儿出生时大脑和头骨小于正常尺寸。
The number of microcephaly cases in Brazil is about 10 times higher than what the country usually sees in a year.
巴西小头畸形症患者的数量是该国往年数量的10倍以上。
About 35 percent of the women arrived in the first trimester, when microcephaly is most likely to develop, he said.
其中大约有35%的孕妇是在妊娠头三个月住进医院，那是最有可能出现小头畸形症的阶段，他说。
The issue is all the more complex because the scientific link between Zika and microcephaly in infants has not been proved.
这个问题正变得愈加复杂，因为兹卡病毒和婴儿患小头畸形症之间存在联系这一点，还没有得到科学证明。
Infection during pregnancy is believed to result in babies with small heads - a condition called microcephaly - and other brain defects.
孕期内的感染会导致婴儿患上小头畸形和其他脑部缺陷。
And the World Health Organization (WHO) said in a statement that the cause of the microcephaly outbreak in Brazil had yet to be determined.
世界卫生组织在一份声明中表示，巴西小头畸形症爆发的原因尚未确定。
And the World Health Organization (WHO) said in a statement that the cause of the microcephaly outbreak in Brazil had yet to be determined.
世界卫生组织发表的声明表示，巴西小头畸形症爆发的原因尚未确定。
It was reported that truncated mutations in this gene can cause primary microcephaly in humans with a brain size comparable with that of early hominids.
前人的研究表明，该基因突变失活以后，会引发人类原发性小脑症，病人的脑容量仅有正常人的三分之一到四分之一，相当于早期类人猿的脑容量。
Doctors suspect the Zika virus is linked to a rare neurological condition called microcephaly, which causes babies to be born with abnormally small heads.
医生怀疑寨卡病毒与一种罕见的新生儿小头症有关。
The World Health Organization (WHO) said the virus could be linked to 4,000 suspected cases in Brazil of microcephaly, a condition in which babies are born with very small heads.
世界卫生组织表示，这种病毒可能和巴西4千例小头症疑似病例有关联。
The large outbreak in Brazil, which began in May 2015, is particularly worrisome because the number of cases of congenital microcephaly in newborns and stillborns has abruptly increased.
2015年5月起在巴西爆发的兹卡疫情尤其令人担忧，因为这里的先天性小头症新生儿和死胎病例急剧增加。
Twelve babies have been born in the U. S. with birth defects caused by Zika virus, including microcephaly, calcium deposits in the brain, excess fluid in the brain cavity or abnormal eye development.
在美国已经有12名因寨卡病毒而导致先天缺陷的患儿出生，其中包括小头畸形、大脑中钙质沉积、脑腔中液体沉积或眼睛发育异常。
There are still a lot of unknowns about the Zika virus and its possible connection to Microcephaly and neurological syndromes (like GBS).
关于寨卡病毒以及它与小头症和一些神经综合征（例如格林-巴利综合征）之间的联系，我们还有许多未知之处。
There are still a lot of unknowns about the Zika virus and its possible connection to Microcephaly and neurological syndromes (like GBS).
关于寨卡病毒以及它与小头症和一些神经综合征（例如格林-巴利综合征）之间的联系，我们还有许多未知之处。
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