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: Microbiology
Neill-Mooser reaction is used to diagnose- 
Select and explain. 
A. Rickettsiae, B. Chlamydiae, C. Mycoplasma, D. Herpes
A: Rickettsiae
Answer: A: Rickettsiae 
Explanation: None