system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A3-week old child presented to the pediatrician with meningitis. A presumptive diagnosis of late onset of a perinatal infection was made. The CSF culture was positive for gram positive bacilli. Which of the following characteristic of this bacteria would be helpful in differentiating it from other bacteria agents -
assistant
The correct answer is  None