It is possible to carry the infection for many years without being aware of it at all. Chlamydia infections are passed through any sexual intercourse - vaginal, anal or oral. Occasionally it is spread by touching, passing from one part of the body to another. Anyone who is sexually active. The infection is most common in women under 25 and men under 30.
Risk is reduced by using condoms but that is no guarantee.
Risk is increased by having more than one partner. Between 2 to 10 percent of the population have this infection. The only way to be sure is to have a test done. The results of the test are available within a few days, and the infection is then easily treated with antibiotics. It is important to understand that anyone who has a Chlamydia infection has almost certainly passed it on to their partner.