This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Neonatal meningitis is caused by – 
Select and explain. 
A. Group `B' Streptococcus, B. E. Coli, C. Klebsiella, D. All of these
D: All of these
Answer: D: All of these 
Explanation: Causes of neonatal meningitis 

Group B-streptococcus (str.agalactiae)    
Listeria monocytogens    
E.coli  
Klebsiella 
Streptococcus fecalis    
Coagulase negative staphylococci                          
Staphylococcus aureus