A Mathematical Model for COVID-19 and Tuberculosis Coinfection with the Effect of a Quarantine Measure. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 3, p. 6149, 2025. DOI: 10.29020/nybg.ejpam.v18i3.6149. Disponível em: https://www.ejpam.com/ejpam/article/view/6149. Acesso em: 23 feb. 2026.