Large-scale screening of asymptomatic for SARS-CoV-2 variants of concern and rapid P.1 takeover, Curitiba, Brazil

  1. Douglas Adamoski
  2. Jaqueline Carvalho de Oliveira
  3. Ana Claudia Bonatto
  4. Roseli Wassem
  5. Meri Bordignon Nogueira
  6. Sonia Mara Raboni
  7. Edvaldo da Silva Trindade
  8. Emanuel Maltempi Souza
  9. SCB-UFPR COVID-19 team
  10. Daniela Fiori Gradia
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Abstract

To provide a safer environment for individuals working on-site at the Federal University of Paraná, Curitiba, Brazil, we performed a large-scale mass testing SARS-CoV-2 program coupled with variant genotyping using two PCR-based approaches. We observed a fast dominance of the Gamma variant, displacing other variants in less than three months.

Article Summary Line

Coronavirus variants of concern may use asymptomatic population as silent spreaders to perform a fast displacement of previous established strains.

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