Progress Toward Vaginal GBS Vaccine Is Seen : Colonization by group B streptococci is probably the single most important risk factor for neonatal sepsis.

“This will be the study to answer the question of whether or not induced antibody can provide colonization resistance to GBS,” she said. “If the answer is yes, it may allow us to move forward in vaccine development in GBS because we can use colonization as a surrogate end point.”