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HIV/AIDS Glossary

Sexually Transmitted Infection (STI)

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Sexually Transmitted Disease (STD)

An infectious disease that spreads from person to person during sexual contact. Sexually transmitted infections (STIs), such as syphilis, trichomoniasis, and HIV, are caused by bacteria, parasites, and viruses.

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HIV/AIDS Glossary

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Sexually Transmitted Infection (STI)

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