1. Coronavirus disease (COVID-19), weekly epidemiological update (13 October 2021), World Health Organization (WHO) (2021). Available online: https://www.who.int/docs/default-source/coronaviruse/situation-reports/20211013_weekly_epi_update_61.pdf?sfvrsn=5092f979_3&download=true
2. Coronavirus disease (COVID-19): HIV and antiretrovirals, World Health Organization (WHO) (2020). Available online: https://www.who.int/news-room/q-a-detail/coronavirus-disease-covid-19-hiv-and-antiretrovirals
3. P. Ssentongo, E.S. Heilbrunn, A.E. Ssentongo, S. Advani et al., Epidemiology and outcomes of COVID-19 in HIV-infected individuals: a systematic review and meta-analysis. Sci. Rep. 11(1), 1–12 (2021)
4. HIV/AIDs: Fact sheets, World Health Organization (WHO) (2021). Available online: https://www.who.int/news-room/fact-sheets/detail/hiv-aids
5. Z. Bakouny, J.E. Hawley, T.K. Choueiri, S. Peters et al., COVID-19 and cancer: current challenges and perspectives. Cancer Cell 38, 629–646 (2020)