KANNAN, Dharshini; MUPPIRI, Sreenidhi; REID, Maren. Analysis of Potential Risk Factors of COVID-19 Based on Variants: Omicron, Delta, and Alpha. Archives of Clinical and Biomedical Research, [S. l.], v. 7, n. 6, p. 590–603, 2023. Disponível em: https://fortunejournals.org/ojs/index.php/acbr/article/view/15043. Acesso em: 15 jun. 2026.