Tomographic score (RAD-Covid Score) to assess the clinical severity of the novel coronavirus infection Tatiana Figueiredo Guimarães Ribeiro; Ricardo Arroyo Rstom; Paula Nicole Vieira Pinto Barbosa; Maria Fernanda Arruda Almeida; Marina Martini Costa; Edivaldo Nery de Oliveira Filho; André Santos Barros; Talita Rombaldi Pereira; Silvio Fontana Velludo; Fabrício Próspero Machado;

Navigating the waves in Colombia: a cohort study of inpatient care during four COVID-19 waves David E. Rebellón-Sánchez; Tania M. Guzmán; Sarita Rodriguez; Julio Llanos-Torres; Daniela Vinueza; Eric Tafurt; Estefanía Beltrán; Álvaro Martínez; Fernando Rosso;

Accuracy of a raw saliva-based COVID-19 RT-LAMP diagnostic assay Kátia Maria dos Santos Cabral; Ramon Cid Gismonti Baptista; Terezinha Marta Pereira Pinto Castineiras; Amilcar Tanuri; Fabiana Avila Carneiro; Marcius da Silva Almeida; Monica Montero-Lomeli;