World Health Organization / RI WKH Latvian Center for Disease Prevention and Control / NSP Needle / Latvian Centre for Disease Prevention and Control / United Nations Office on Drugs / European Monitoring Centre for Drugs / Ministry of Justice / ECDC European Centre for Disease Prevention / Drug Addiction / European Centre for Disease Prevention and Control / EMCDDA European Monitoring Centre for Drugs / WHO World Health Organization / Latvian government / NGO Non-governmental / European Union / Ministry of Health / CDPC Latvian Centre for Disease Prevention and Control / European Monitoring Centre for Drugs and Drug Addiction / /