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Oral sex involves using the mouth, lips, or tongue to stimulate the penis (fellatio), vagina (cunnilingus), or anus (anilingus) of a sex partner. Sexually transmitted diseases in men who have sex with men. A systematic review of the epidemiologic interactions between classic sexually transmitted diseases and HIV: how much really is known?
If you are sexually active, you should get tested regularly for STDs and HIV and talk to your partner(s) about STDs. A possible cluster of sexually transmitted Entamoeba histolytica: genetic analysis of a highly virulent strain. Lifson AR, O’Malley PM, Hessol NA, Buchbinder SP, Cannon L, Rutherford GW.