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: Social & Preventive Medicine
Post exposure prophylaxis in health care professionals is indicated in infections with all except? 
Select and explain. 
A. HBV, B. Rabies, C. Diptheria, D. Measles
C: Diptheria
Answer: C: Diptheria 
Explanation: Post exposure prophylaxis is used in HIV, HBV, Measles, Rabies, Tetanus, H.influenzae and Meningococcus. Ref: Park, 20th Edition, Pages 139, 189, 240, 283.