Stochastic Modeling of a Vaccine-Structured Epidemic Model Using Data from South Africa. Statistics, Optimization & Information Computing, [S. l.], v. 15, n. 5, p. 3430–3467, 2026. DOI: 10.19139/soic-2310-5070-2707. Disponível em: https://www.iapress.org/index.php/soic/article/view/2707. Acesso em: 23 apr. 2026.