SARASWATHY, A. S.; VEETIL, B. M.; JOSE, R. COVID-19 vaccine breakthrough infections among health care workers of a tertiary care center in North Kerala: a descriptive study. International Journal Of Community Medicine And Public Health, [S. l.], v. 10, n. 11, p. 4339–4343, 2023. DOI: 10.18203/2394-6040.ijcmph20233474. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/11727. Acesso em: 25 oct. 2025.