HIV transmission routes Sexual transmission (heterosexual sex, homosexual sex) Blood transmission (sharing syringes for intravenous drug use, importing HIV-containing blood and products, etc.) Mother-to-child transmission (through placenta, childbirth, breastfeeding, etc.) HIV is not transmitted through the following routes Working together, working together (sharing office supplies, school utensils, farming tools, etc.) General life contact (eating together, hugging, shaking hands Shared meals, hugs, handshakes, courtesy kisses, swimming, sharing toilets, bath tubs, clothes, bedding, bills, etc.) Mosquito bites, coughing, sneezing, etc.