by Karen Feldscher

Curtis Huttenhower (right) and Nicola Segata are two of the Harvard researchers who have helped to identify and analyze the vast human “microbiome,” the more than 5 million microbial genes in the body.

New studies involving Harvard School of Public Health (HSPH) researchers have helped to identify and analyze the vast human “microbiome,” the more than 5 million microbial genes in the body.