1. Joint United Nations Programme on HIV/AIDS (UNAIDS). UNAIDS Data 2017. http://www.unaids.org/sites/default/files/media_asset/20170720_Data_book_2017_en.pdf (accessed 30 October 2017).
2. HIV in the United Kingdom: decline in new HIV diagnoses in gay and bisexual men in London, 2017 report. Health Protection Report – Advanced Access Report, Volume 11, Number 35;Public Health England,2017
3. Human immunodeficiency viruses;Cleghorn,2005
4. Frequency and spectrum of unexpected clinical manifestations of primary HIV-1 infection;Braun;Clin Infect Dis,2015
5. British HIV Association British HIV Association guidelines for the treatment of HIV-1-positive adults with antiretroviral therapy 2015 (2016 interim update). http://www.bhiva.org/documents/Guidelines/Treatment/2016/treatment-guidelines-2016-interim-update.pdf (accessed 30 October 2017).