Dry kissing carries no risk. Penile-oral sex , or fellatio. Ejaculate can contain a greater amount of virus than saliva. If there is any oral or penile bleeding or disease, there is direct contact with the bloodstream that greatly increases the risk for transmission. Vaginal-oral sex , or cunnilingus.
Vaginal secretions can contain the virus.
Vaginal-vaginal sex , or tribadism. Vaginal secretions can contain the virus. Anal-oral sex , or anilingus. Anal secretions and feces can contain the virus. Any rectal or oral bleeding or disease greatly increases the risk for transmission.