Mosquito Saliva Increases Disease Severity Following Dengue Virus Infection (image) PLOS Share Print E-Mail Caption Salivary gland extract enhances permeability of blood vessels in the mouse ear as indicated by the wider spread of the red marker (top) compared to an untreated ear (bottom). Credit Michael A. Schmid and Dustin R. Glasner Usage Restrictions All figures and photographic images will be published under a Creative Commons Attribution License (CCAL), which allows them to be freely used, distributed, and built upon as long as proper attribution is given. 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.