Aaiga (IMAGE) Wildlife Conservation Society Caption MAGE: PPR caused a mass mortality of saiga antelope in Mongolia in 2017. Credit B. Ariunbaatar/WCS Mongolia 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.