<i>Aedes aegypti</i> Mosquito (IMAGE) Colorado State University Caption Aedes aegypti mosquitoes transmit viruses that cause dengue, Zika, chikungunya and yellow fever to humans. Credit John Eisele/Colorado State University Photography 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.