A Bloated Mosquito Is a Safe Mosquito (IMAGE) Rockefeller University Caption Some appetite-reducing drugs can curtail mosquitoes' impulse to feed on warm-blooded hosts, which may be useful in preventing mosquito-borne illnesses such as Zika and yellow fever. Credit Alex Wild Usage Restrictions Image may be used only to illustrate the research described in the accompanying release. 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.