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: Dental
Jarisch Herxheimer reaction is commonly seen in – 
Select and explain. 
A. Early syphilis, B. Late congenital syphilis, C. Latent syphilis, D. Syphilis of cardiovascular system
A: Early syphilis
Answer: A: Early syphilis 
Explanation: In syphilis JH reaction is most common in secondary syphilis, followed by primary syphilis, followed by early latent syphilis :- Secondary > Primary > Early latent.