Rhesus Macaque (image) PLOS Share Print E-Mail Caption Zika monkey study suggests worse fetal effects for vaginal versus mosquito transmission. Credit Renato Araújo/Agência Brasília. via Flickr Usage Restrictions CC-BY Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.