CHICAGO, April 13 (Reuters) - After several weeks of study and debate, U.S. health officials concluded that infection with the Zika virus during pregnancy causes the birth defect microcephaly, a ...

The decision is based not on one single piece of conclusive evidence, but rather a growing body of research. A report on the CDC’s decision was published in The New England Journal of Medicine. The ...

Here are four things to know: 1. In the report, CDC officials detailed a wealth of evidence proving Zika causes the birth defect. 2. The World Health Organization declared the microcephaly epidemic an ...

There isn’t enough evidence to claim that Zika virus causes abnormally small heads in babies of infected mothers, according to a UW-Madison study that challenges government findings. A government ...

Microcephaly is a congenital malformation that leads to a significantly reduced brain size and is often accompanied by developmental delay. An international research team led by Dr. Tran Tuoc from the ...