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Volume 30, Number 8—August 2024
Dispatch

Group B Streptococcus Sequence Type 103 as Human and Bovine Pathogen, Brazil

Laura M.A. OliveiraComments to Author , Leandro C. Simões, Chiara Crestani, Natália S. Costa, José Carlos F. Pantoja, Renata F. Rabello, Sérgio E.L. Fracalanzza, Lucia M. Teixeira, Uzma B. Khan, Dorota Jamrozy, Stephen Bentley, Tatiana C.A. Pinto, and Ruth N. Zadoks
Author affiliations: Federal University of Rio de Janeiro, Rio de Janeiro, Brazil (L.M.A. Oliveira, L.C. Simões, N.S. Costa, S.E.L. Fracalanzza, L.M. Teixeira, T.C.A. Pinto); Pasteur Institut, Paris, France (C. Crestani); Universidade Estadual Paulista Júlio de Mesquita Filho, São Paulo, Brazil (J.C.F. Pantoja); Fluminense Federal University, Rio de Janeiro (R.F. Rabello); Wellcome Sanger Institute, Hinxton, UK (U.B. Khan, D. Jamrozy, S. Bentley); University of Sydney, Camden, New South Wales, Australia (R.N. Zadoks)

Main Article

Table 1

Origin of GBS isolates recovered from human and bovine samples submitted to whole-genome sequencing, Brazil*

Host Clinical source Region Collection year ST103 GBS Non-ST103 GBS
Human† Anovaginal carriage‡ Rio de Janeiro 1979–2021 14 329
Oropharynx§ Rio de Janeiro 1978–2014 2 8
Umbilical swab Rio de Janeiro 2001 0 1
Semen Rio de Janeiro 2017–2018 1 61
Urine Rio de Janeiro 1990–2019 0 16
São Paulo 2009 0 3
Porto Alegre 2006 0 5
Cuiabá 2009 0 2

Invasive disease specimens¶
Rio de Janeiro
1990–2021
0
13
Bovine Milk Rio de Janeiro# 1987–2007 17 38
Minas Gerais** 1996–2021 6 51
São Paulo†† 1987–2021 23 16
Farm environment Minas Gerais‡‡ 2010 4 1

*GBS, group B Streptococcus; ST, sequence type. †Human isolates were epidemiologically unrelated. ‡Anovaginal carriage: anovaginal specimens collected from pregnant women between the 35th and 37th gestational weeks during routine antenatal care. §Oropharynx: throat swab. ¶Invasive disease specimens: blood, cerebrospinal fluid, cerebrospinal fluid, bronchoalveolar lavage, peritoneal fluid, bone, abscess. #Isolates represent 18 farms and 53 cows. **Isolates represent 21 farms and 46 cows. ††Isolates represent 6 farms and 21 cows. ‡‡Isolates represent 1 farm and 5 environmental samples.

Main Article

Page created: July 10, 2024
Page updated: July 21, 2024
Page reviewed: July 21, 2024
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