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;

Demographic, epidemiological and clinical profile of patients with post-COVID syndrome followed at a teaching hospital in Brazil João Paulo Borges de Melo; Alex Eduardo da Silva; Leandro Resende Yamamoto; Taciana Fernandes Araújo Ferreira; Gustavo José Luvizutto; Fernando Freitas Neves; Kelly Cristina Santos; Roger Lopes Batista; Isabel Cunha Santos; Francielle Schiavoni; Mario León Silva-Vergara;

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;