The correct answer is B. Transfusion of contaminated blood and blood products.
HIV is a virus that attacks the body’s immune system. It is spread through contact with infected blood, semen, vaginal fluids, pre-seminal fluid, or breast milk. HIV cannot be spread through casual contact, such as shaking hands, hugging, or sharing food or drinks.
A. Eating contaminated food and water is not a way to contract HIV. HIV is not found in food or water.
C. Inhaling polluted air is not a way to contract HIV. HIV is not spread through the air.
D. Shaking hands with an infected person is not a way to contract HIV. HIV is not spread through contact with sweat or saliva.
It is important to know how HIV is spread so that you can protect yourself from infection. If you are concerned about HIV, talk to your doctor.