Chlamydia is a sexually transmitted infection (STI) that can affect both men and women. It is the most commonly notified bacterial STI and is spread through vaginal, anal or oral sex.
Most infections are found in young people between the ages of 16 and 25. People can have chlamydia without being aware as often there are no signs or symptoms. If left untreated, chlamydia infections can cause serious health problems. Once diagnosed, chlamydia can easily be treated and cured.
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