Aedes Aegypti Mosquito (IMAGE) University of Notre Dame Caption More than 100 million infections of Zika virus within Central and South America and the Caribbean went undetected between 2015 and 2018, according to a new study. Credit University of Notre Dame Usage Restrictions None License Licensed content 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.