HIV is transmitted through unprotected sexual contact with an infected person
HIV is transmitted by sharing needles, syringes, or other drug-injection equipment
HIV is transmitted through exposure to infected blood
HIV is transmitted from mother to child during pregnancy, childbirth, or breastfeeding
HIV is transmitted through contaminated medical or tattooing equipment if not properly sterilized
HIV is not transmitted by casual contact such as hugging, shaking hands, sharing food, or using the same toilet