102. After 24hrs a blood culture from a newborn grows catalase-negative, gram-positive cocci. The bacterial colonies are small, translucent and beta-hemolytic on a blood agar plate. Biochemical test results of a pure culture are: Bacitracin resistant, CAMP positive, Bile esculin negative, and no grown in 6.5% NaCl broth. Assuming all control react properly and reactions are verified, the next step would be to:
Perform a Streptococcus group typing, the colony description resembles S. agalactiae but confirmed by antigen typing.