DHAI, A. World Immunization Week – world agencies reflect on the gains and challenges of vaccine initiatives. South African Medical Journal, South Africa, v. 115, n. 4, p. e3571, 2025. DOI: 10.7196/. Disponível em: https://www.samajournals.co.za/index.php/samj/article/view/3571. Acesso em: 2 jun. 2026.