Coelho Paraguassu, Éber ., dos Passos Lacerda, J. and World Health Organization 2022. Clinical care for severe acute respiratory infection: toolkit: COVID-19 adaptation. Brazilian Journal of Implantology and Health Sciences . 4, 3 (May 2022), 48–330. DOI:https://doi.org/10.36557/2674-8169.2022v4n3p48-330.