Case 100. Panel 2: Bacteria seen in cerebrospinal fluid

　 　 　 　
　
Streptococcus agalactiae (group B Streptococcus) (Gram)
 　
　 　 　 　

　

 　 Gram-positive cocci are phagocytized by neutrophils, and cause neonatal meningitis. S. agalactiae is a normal flora of the vagina.