The risk for anal sex, if other factors are equal, is greater for a receptive partner compared to an insertive partner. The surface area inside of the anus, is larger than the surface area of the penis. The risks of…
In heterosexual vaginal or anal sex, if other factors are equal, a woman has a biologically higher risk of infection compared to a man. The surface area of the vagina or anus is far greater than the surface area of…
Some people have multiple exposures to HIV, from either one person or several partners, and still do not get HIV. Sometimes this is related to genetic factors, only some of which are understood. Most of the time it is just…
It is quite common for one partner to test positive and the other negative, even if they have been having sex without condoms. Mostly this is explained by luck and the role of other risk factors. Over time, most people…
No. If you are in contact with sexual fluid it is better to wipe this off with a dry cloth. One study reported that infection rates were higher in people who washed after sex. Douching can spread the virus further…
HIV is not transmitted by day-to-day activities or by contact with objects, food or clothes. The following list includes just a few examples of questions from people worried about catching HIV. Most of these questions come from a combination of…
Common routes include: Contact with the mucous membranes of genital or anal tissue. A mucous membrane is a type of tissue that is a less effective barrier than skin. The inner foreskin is also a mucous membrane. Ulcers, sores, tears…
The risk of HIV transmission is related to different factors. These include: Which body fluids are infectious. How infection occurs – often called the ‘routes of infection’. Other risk factors including viral load, type of sex, genetics etc. Only some…
