1. Varicella Zoster;Ayoade F,2022
2. Varicella zoster virus (VZV) in solid organ transplant recipients;Pergam SA;Am J Transplant,2009
3. Centers for Disease Control and Prevention. Chickenpox (varicella). (2021). Accessed. June 18, 2022: https://www.cdc.gov/chickenpox/index.html.
4. World Health Organization. International travel and health. (2018). Accessed. June 18, 2022: https://cdn.who.int/media/docs/default-source/travel-and-health/9789241580472-eng-chapter-6.pdf.
5. The epidemiology of varicella-zoster virus infections;Wharton M;Infect Dis Clin North Am,1996