SARS-CoV-2 laboratory surveillance during the first year of the COVID-19 pandemic in southern Brazil. - Baethgen LF; Veiga ABGD; Salvato RS; Carvalho TG; Rispoli T; Schiefelbein SH; Martins LG; Nunes ZMA; Schaurich AP; Timm LN; Ramos RC; Bastos CGM; et al. (Revista da Sociedade Brasileira de Medicina Tropical, 2023)