what is gbs
Group B streptococcus infection (GBS), also known as strep B and group B strep, is infection with the bacteria Streptococcus. Group B streptococcal infection can cause serious illness and sometimes death, especially in newborn infants, the elderly, and people with compromised immune systems.roup B streptococcus infection (GBS), also known as strep B and group B strep, is infection with the bacteria Streptococcus. Group B streptococcal infection can cause serious illness and sometimes death, especially in newborn infants, the elderly, and people with compromised immune systems.