Infected HIV virus (human immunodeficiency virus, HIV), the cause of a patient's immune system is defective. The risk of opportunistic infections, and certain types of tumors occurring infections both HIV virus through exposure of mucous membranes or touching the substance as semen and blood is shed, pool shed water, lubricating the vagina before ejaculation sperm and milk, mothers may be contacted through sexual intercourse, either vaginal or anal and oral, or blood, use of contaminated syringes, contact from mother to child during pregnancy, childbirth, breastfeeding or experience the substance of secretion.
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