IFTIKHAR, N.; KHALID, M. O. R.; AHMED, A. E.; GHORI, U. Severity of COVID-19 infection in vaccinated and unvaccinated patients and their outcome - a local experience. Infectious Diseases Journal of Pakistan, [S. l.], v. 33, n. 4, p. 195–201, 2024. DOI: 10.61529/idjp.v33i4.267. Disponível em: https://ojs.idj.org.pk/index.php/Files/article/view/267. Acesso em: 30 apr. 2026.