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
CTL inducing vaccines, Recombinant Adeno-associated Virus Vaccine (rAAV) and Modified Vaccinia Ankara (MVA) are being developed for 
Select and explain. 
A. Tuberculosis, B. HIV/AIDS, C. Malaria, D. Leprosy
B: HIV/AIDS
Answer: B: HIV/AIDS 
Explanation: Ever since 1987, more than 30 HIV candidate vaccines have been tested in Clinical trials Phases I/II; Some of them are:

– AIDSVAX (gp 120 based vaccine): only vaccine in Phase III trials
– Cytotoxic T-Lymphocytes (CTL) Inducing vaccine
– Recombinant adeno- associated virus (rAAV) vaccine
– Modified Vaccinia ankara (mVA) vaccine
– Subunit vaccine