1. Bulgaria Health Ministry. Data about HIV cases in Bulgaria: HIV-registered cases—newly-registered and totally-registered by year, Bulgaria 1986–2018. Sofia: Bulgaria Health Ministry; 2019.
2. European Centers for Disease Control. HIV/AIDS surveillance in Europe 2019–2018 data. Stockholm: European Centers for Disease Control/WHO Regional Office for Europe; 2019.
3. UNAIDS. UNAIDS data 2019. Geneva, Switzerland: UNAIDS; 2019. https://www.unaids.org/sites/default/files/media_asset/2019-UNAIDS-data_en.pdf. Accessed 9 Sept 2020.
4. Dieffenbach CW, Fauci AS. Universal voluntary testing and treatment for prevention of HIV transmission. J Am Med Assoc. 2009;301:2380–2.
5. Branson BM, Handsfield HH, Lampe MA, Janssen RS, Taylor AW, Lyss SB, Clark JE. Revised recommendations for HIV testing of adults, adolescents, and pregnant women in health care settings. Morb Mortal Wkly Rep (MMWR). 2006;55(RR14):1–17.