Large-Scale Screening of Asymptomatic Persons for SARS-CoV-2 Variants of Concern and Gamma Takeover, Brazil
Douglas Adamóski, Jaqueline Carvalho de Oliveira, Ana Cláudia Bonatto, Roseli Wassem, Meri Bordignon Nogueira, Sônia Mara Raboni, Edvaldo da Silva Trindade, Emanuel Maltempi de Souza, Daniela Fiori Gradia, SCB-UFPR COVID-19 team,2
Abstract
O ngoing screening for active severe acute respira- tory syndrome coronavirus 2 (SARS-CoV-2) infections, coupled with contact tracing, can effi ciently reduce viral transmission within the community (1). However, as new and more transmissible variants emerge, an increased number of cases can be observed across affected regions. This increase demands immediate action, such as consistent, uninterrupted genomic surveillance for regular evaluation of vaccination approaches (2), to curb virus spread.
Topics & Concepts
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Coronavirus disease 2019 (COVID-19)AsymptomaticVirology2019-20 coronavirus outbreakScale (ratio)BetacoronavirusPandemicMedicineEnvironmental healthBiologyGeographyInternal medicineOutbreakInfectious disease (medical specialty)DiseaseCartographySARS-CoV-2 and COVID-19 ResearchCOVID-19 epidemiological studiesSARS-CoV-2 detection and testing