Subedi, Dharma D. “Measles Outbreak in a Vaccinated or Never Vaccinated Children Aged 1-5 Years in Khyber Pakhtunkhwa (KPK), Pakistan (Lower Dir, Upper Dir and Bajawar): Chains of Transmission of Virus and Role of Vaccine Failure”. International Journal of Pharmaceutical & Biological Archive 13, no. 1 (March 15, 2022). Accessed May 2, 2024. http://www.ijpba.info/index.php/ijpba/article/view/1974.