The "HIV test" application was developed by the largest patient organization in Ukraine, "100% Life". It is designed to improve the effectiveness of HIV testing. During practical work, it was noticed that some behavioral factors increase the likelihood of detection. A questionnaire was compiled, based on which a person can get an answer as to how risky his behavior is in terms of HIV infection. Thanks to this questionnaire, the effectiveness of detection programs increased from 4% to 19%. How do