Alex Neves da Silva, Paulo, Célia Regina Malveste Ito, Mônica de Oliveira Santos, Lucas Cândido Gonçalves, and Lilian Carla Carneiro. 2023. “Severe Acute Respiratory Syndrome Caused by New Coronavirus (COVID-19) and Influenza Viruses in Brazil: Descriptive Analytical Observational Retrospective Study”. Seven Editora, April. https://sevenpublicacoes.com.br/editora/article/view/1002.