This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
All the following organisms are known to survive intracellularly, except 
Select and explain. 
A. Salmonella typhi, B. Legionella pneumophilia, C. Neisseria meningitides, D. Streptococcus pyogenes
D: Streptococcus pyogenes
Answer: D: Streptococcus pyogenes 
Explanation: .