Control HIV by Treating Schistosomiasis, New Study Suggests (image) PLOS Share Print E-Mail Caption Schistosome Parasite: This schistosome parasite enters the body through the skin of persons coming in contact with infested waters. The adult worm lives in the veins of its host. The parasite is magnified x256 in this photograph. Credit Wetzel and Shaefer, Wikimedia Commons, Public Domain, 2001 Usage Restrictions CC-BY: Redistribution permitted with credit. 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.