Decoded: DNA of Blood-Sucking Worm that Infects World's Poor (image) Washington University School of Medicine Share Print E-Mail Caption Researchers have decoded the genome of the hookworm, Necator americanus, finding clues to how it infects and survives in humans and to aid in development of new therapies. An estimated 700 million people worldwide are infected with hookworms, which feed on blood, causing anemia and, in children, stunted growth and learning problems. Credit Peter Durbin Usage Restrictions Credit to Peter Durbin 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.