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People who engage in unprotected sex or sharing needles are at increased risk for human immunodeficiency virus (HIV). HIV is transmitted via certain body fluids (blood, semen, rectal fluids, vaginal fluids and breast milk). In the United States, HIV is mainly transmitted through unprotected sex or sharing needles.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.