Subedi DD. 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. ijpba [Internet]. 2022 Mar. 15 [cited 2024 Dec. 4];13(1). Available from: http://ijpba.info/index.php/ijpba/article/view/1974