1. 1. World Health Organization (WHO). Multi-country monkeypox outbreak: situation update. https://www.who.int/news-room/speeches/item/who-director-general-s-statement-on-the-press-conference-following-IHR-emergency-committee-regarding-the-multi--country-outbreak-of-monkeypox--23-july-2022. (accessed June 25, 2022)
2. 2. World Health Organization (WHO). Surveillance. https://www.who.int/publications/i/item/WHO-MPX-Surveillance-2022.2. (accessed June 25, 2022)
3. 3. Barrett J.W., McFadden G. Origin and Evolution of Viruses. Elsevier Ltd.; Singapore: 2008. Origin and Evolution of Poxviruses; pp. 431–446.
4. 4. Hughes A.L., Irausquin S., Friedman R. The evolutionary biology of poxviruses. Infect. Genet. Evol. 2010; 10:50–59. doi: 10.1016/j.meegid.2009.10.001SS
5. 5. Diven D.G. An overview of poxviruses. J. Am. Acad. Dermatol. 2001;44:1–16. doi: 10.1067/mjd.2001.109302.