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Volume 28, Number 1—January 2022
Research Letter

Cluster of SARS-CoV-2 Gamma Variant Infections, Parintins, Brazil, March 2021

Juliana F. da SilvaComments to Author , Roberto J. Esteves, Charlene Siza, Elaine P. Soares, Tatyana C. Ramos, Evelyn C. Campelo, Cristiano F. da Costa, Leila C. de Alencar, Rafaela P. Cavalcante, Clerton R. Florêncio, Tirza P. Mattos, Maria G. Bonecini-Almeida, Luciana Silva-Flannery, Barbara J. Marston, Juliette Morgan, Mateusz Plucinski, Felipe Naveca, and CDC Brazil Investigation Team1
Author affiliations: US Centers for Disease Control, Atlanta, Georgia, USA (J.F. da Silva, C. Siza, L. Silva-Flannery, B.J. Marston, M. Plucinski); US Centers for Disease Control and Prevention, Brasilia, Brazil (R.J. Esteves, J. Morgan); Secretaria Municipal de Saúde de Parintins, Parintins, Brazil (E.P. Soares, R.P. Cavalcante, C.R. Florêncio); Fundação de Vigilância em Saúde do Amazonas, Manaus, Brazil (T.C. Ramos, E.C. Campelo, C.F. da Costa, L.C. de Alencar); Laboratório Central de Saúde Pública do Amazonas, Manaus (T.P. Mattos); Fundação Oswaldo Cruz, Rio de Janeiro, Brazil (M.G. Bonecini-Almeida); Instituto Leônidas and Maria Deane, Manaus (F. Naveca); Team members are listed at the end of the article.1

Main Article

Figure

Network showing relationship between Gamma variant severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) sequences from household members involved in investigation of cluster of SARS-CoV-2 Gamma (P.1) variant infections, Parintins, Brazil, March 2021. Nodes represent unique sequences, and dashes connecting nodes denote the number of base-pair differences between sequences. Samples are from 27 household members from 15 households, and colors denote samples from the same household; gray indicates samples from households from which only 1 virus sequence was available. Node size is proportional to the number of samples with a given sequence. Hap, haplotype.

Figure. Network showing relationship between Gamma variant severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) sequences from household members involved in investigation of cluster of SARS-CoV-2 Gamma (P.1) variant infections, Parintins, Brazil, March 2021. Nodes represent unique sequences, and dashes connecting nodes denote the number of base-pair differences between sequences. Samples are from 27 household members from 15 households, and colors denote samples from the same household; gray indicates samples from households from which only 1 virus sequence was available. Node size is proportional to the number of samples with a given sequence. Hap, haplotype.

Main Article

Page created: November 10, 2021
Page updated: December 20, 2021
Page reviewed: December 20, 2021
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