We performed a large-scale severe acute respiratory syndrome coronavirus 2 screening campaign using 2 PCR-based approaches, coupled with variant genotyping, aiming to provide a safer environment for employees of Federal University in Curitiba, Brazil. We observed the rapid spread of the Gamma variant of concern, which replaced other variants in <3 months.
Keywords: Brazil; COVID-19; SARS-CoV-2; coronavirus disease; diagnosis; diagnostic techniques and procedures; environment and public health; respiratory infections; severe acute respiratory syndrome coronavirus 2; viruses; zoonoses.