[Chlamydia: from population screening to individual repeated screening].

Chlamydia trachomatis is a frequent sexually transmitted infection especially in young adults and adolescents. Its complications can impair a woman's reproductive potential. chlamydia control has several challenges. These include asymptomatic infections; a long duration of untreated infections; re-infections and partner treatments. Any person with infection is at high risk of re-infection. Repeated screening would decrease, at an individual level, the risk of complications. General practitioners, gynaecologists and centres for sexual health could participate in Chlamydia screening for asymptomatic infections, in Switzerland, the cost of the laboratory test is fixed by national tariff regulations. The cost is high and prohibitive for many, especially adolescents and young adults and needs to be lowered.