[NukeMan]

Ok, my curiosity has been piqued. I did Google on condom failure rates, and the numbers are fairly distressing. For purposes of preventing pregnancy, about 12-15% fail and for HIV protection purposes about 10% - 30% fail. Yikes. OF course, there are hundreds of online articles touting all sorts of numbers subject to a variety of conditions, which makes a simple summary difficult.

[DB]

In truth the AIDs virus is smaller than the latex structure and can eventually pass through it. Latex is permeable. For pregnancy prevention failure you need an actual hole.