Freitas, André Ricardo Ribas, Marta Giovanetti, and Luiz Carlos Junior Alcantara. “Emerging Variants of SARS-CoV-2 and Its Public Health Implications”. InterAmerican Journal of Medicine and Health 4 (February 8, 2021). Accessed February 1, 2023. https://iajmh.com/iajmh/article/view/181.