<prompt> True about streptococcus isLancefield classification is based on M proteinGroup G not found in humanGroup B causes neonatal meningitisGrop C can be isolated from vaginal flora  <response>: Group B streptococci has assumed great clinical impoance as the single most common cause of neonatal meningitis in the West. Infection in the newborn is classified as the: Early onset type: occurring within a week of bih, it presents as meningitis or septicemia, and is often fatal. Infection is acquired from the maternal vagina during bih. Late-onset type: developing between the second and twelfth weeks of life, it is more often obtained from the environment and presents as septicemia. Reference: Textbook of Microbiology; Anathanarayan and panikers; 10th edition; Page no: 218 