Scientists Unravel Likely Causes of Blood Vessel Leakage in Severe Dengue (IMAGE) PLOS Caption Dengue virus NS1 (bottom left, right) triggers vascular leakage in mice. Credit Kalani Ratnasiri Usage Restrictions CC-BY 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.