With regard to the transmission of the Human Immunodeficiency Virus, which one of the following statements is not correct?

• A. The chances of transmission from female to male are twice as likely as from male to female
• B. The chances of transmission are more if a person suffers from other sexually transmitted infections
• C. An infected mother can transmit the infection to her baby during pregnancy, at childbirth and by breast feeding
• D. The risk of contracting infection from transfusion of infected blood is much higher than an exposure to contaminated needle