A 13-day-old female infant was seen at the outpatient clinic for poor feeding and sleepiness. She had been born at term after an uncomplicated pregnancy; elective cesarean delivery had been performed for primigravid breech presentation. The mother was a well-controlled diabetic. Birth weight had been 4,040 g, and Apgar scores, 9 and 10 at one and five minutes, respectively. A left hip click (Ortolani's) had been noted, which was not reproducible after two days. She had been discharged in apparent good health at 1 week of age.
On the present admission at 13 days of age, she did not appear ill; however, CSF contained 24 WBCs per cubic millimeter, and subsequent culture of the fluid revealed group B Streptococcus. She was treated for two weeks with intravenous penicillin G potassium with complete clinical recovery from her meningitis.
Following her hospital admission, limited motion of her right leg was noted, together