Gay dating la
Therefore questions of condom efficacy have to be addressed and misapprehensions corrected.
In one of the most highly publicised statements, in October 2003, the President of the Vatican's Pontifical Council for the Family, Cardinal Alfonso Lopez Trujillo, said: "The AIDS virus is roughly 450 times smaller than the spermatozoon.
However, the same studies show that condoms come off the penis altogether 3 to 5% of the time but may slip down (but not off) up to 13% of the time.
Studies of condom efficacy have therefore largely contrasted HIV and STI incidence or prevalence in people who claim 100% consistent use against people who use them inconsistently or not at all.
Haciendo de esta cinta, una historia cautivante, cómica y devastadora acerca de primeros amores.
Consistently used condoms provide significant protection against HIV, pregnancy and sexually transmitted infections (STIs).
For the reasons described above, there is a convention to use two different words when describing the effect of prevention interventions.
The efficacy of an intervention is how well it works in a scientific trial or when people use it as indicated, i.e.
Thirdly, in long-term serodiscordant relationships, studies have shown that the HIV-negative partner can acquire a degree of immunity to their partner’s HIV.