COVID-19 Delta variation; more contagious or more pernicious?. Acta Biomedica Atenei Parmensis, Fidenza, Italy, v. 92, n. 6, p. e2021454, 2022. DOI: 10.23750/abm.v92i6.12181. Disponível em: https://mattioli1885journals.com/index.php/actabiomedica/article/view/12181.. Acesso em: 30 jun. 2024.