One of the reasons it's been so troubling is that it's a cause of a serious birth defect called microcephaly, in which the head of babies whose mothers have been infected with Zika during ...

The mosquito-borne Zika virus is known for causing microcephaly, a birth defect in which abnormal brain development results in a smaller-than-expected head. A study published Jan. 13 in mBio shows ...

Kishi was an in-utero "hibakusha," or survivor of the atomic bombing of Hiroshima, and was born with a condition called atomic bomb microcephaly, which causes a small head size with often accompanying ...

Bangladesh has detected a cluster of Zika virus cases for the first time, in a worrying development in a country that is ...