Yes. Group b strep (gbs) is a gram-positive streptococcal bacteria also known as streptococcus agalactiae. It is not the same as group a strep which causes strep throat. It is a bacteria which can spread from mother to newborn infants and is the most common cause of sepsis and meningitis in the United States during a newborn's first week of life. It is not restricted to premature infants.