This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NPCBVI, NACP, Subject name: Social & Preventive Medicine
CTL inducing vaccines, recombinant adeno-associated virus vaccine and modified vaccinia Ankara are being developed for:- 
Select and explain. 
A. Tuberculosis, B. Leprosy, C. Malaria, D. HIV/AIDS
D: HIV/AIDS
Answer: D: HIV/AIDS 
Explanation: CTL inducing vaccines, recombinant adeno-associated virus vaccine and modified vaccinia Ankara are being developed for HIV/AIDS. Since 1987, more than 30 HIV candidate vaccines have been tested in clinical trials phases I/II: some of them are: AIDS VAX; only vaccine in phase III trials. Cytotoxic T-Lymphocytes inducing vaccine. Recombinant adeno-associated virus vaccine. Modified vaccine Ankara vaccine. Subunit vaccine.