RANJAN, A. .; KUMAR, P. .; VERMA, M. .; SINGH, C. .; PANDEY, S. .; NAIK, B. N. .; NIRALA, S. K. .; RAO, R. . Role of BCG and Measles vaccination in protection against COVID-19 infection and severity of the disease: A pilot case-control study. National Journal of Community Medicine, [S. l.], v. 13, n. 02, p. 108–113, 2022. DOI: 10.55489/njcm1322022160. Disponível em: https://njcmindia.com/index.php/file/article/view/160. Acesso em: 5 may. 2024.