In early 2005, Tainan County deputy chief executive Yen Chun-tso responded to Taiwan's problems with out-of-control drug use and drug-related transmission of AIDS by boldly proposing a policy that has some history of use abroad.
2005 年初，眼見國內毒品和毒癮的愛滋病患者有失控之勢，台南縣副縣長顏純左大膽拋出這個國外行之有年的政策，也一舉將台灣的防疫及防毒帶進新時代。