Evidence mounts linking Zika virus to birth defects

By Stephanie Nebehay and Roberta Rampton GENEVA/WASHINGTON (Reuters) - Evidence mounted on Friday linking Zika to the birth defect microcephaly, and the United Nations health agency set a review of travel advice related to the outbreak of the virus while U.S. officials planned strategy to control mosquitoes that spread it. The virus is capable of rapidly infecting and harming developing fetal brain cells, scientists said in a study that provided insight into how the virus might cause microcephal