This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Most common mode of transmission of HIV world wide is - 
Select and explain. 
A. Heterosexual, B. Homosexual, C. IV-drug abuse, D. Contaminated blood products
A: Heterosexual
Answer: A: Heterosexual 
Explanation: most common mode of transmission of HIV virus is through hetrosexual REF:ANANTHANARAYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.570