Hanif, Saba, et al. “M2 Genotype of Varicella Zoster Virus Associated With Severe Herpes Zoster in Pakistan: Severe Herpes Zoster and Acute Renal Failure in an Elderly Patient”. Pakistan Journal of Medical Sciences, vol. 40, no. 6, May 2024, doi:10.12669/pjms.40.6.8764.