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Tracing contacts to evaluate the transmission of COVID-19 from highly exposed individuals in public transportation.
Ponte, Caio; Carmona, Humberto A; Oliveira, Erneson A; Caminha, Carlos; Lima, Antonio S; Andrade, José S; Furtado, Vasco.
  • Ponte C; Programa de Pós Graduação em Informática Aplicada, Universidade de Fortaleza, Fortaleza, Ceará, 60811-905, Brasil.
  • Carmona HA; Departamento de Física, Universidade Federal do Ceará, Fortaleza, Ceará, 60455-760, Brasil.
  • Oliveira EA; Programa de Pós Graduação em Informática Aplicada, Universidade de Fortaleza, Fortaleza, Ceará, 60811-905, Brasil. erneson@unifor.br.
  • Caminha C; Laboratório de Ciência de Dados e Inteligência Artificial, Universidade de Fortaleza, Fortaleza, Ceará, 60811-905, Brasil. erneson@unifor.br.
  • Lima AS; Mestrado Profissional em Ciências da Cidade, Universidade de Fortaleza, Fortaleza, Ceará, 60811-905, Brasil. erneson@unifor.br.
  • Andrade JS; Programa de Pós Graduação em Informática Aplicada, Universidade de Fortaleza, Fortaleza, Ceará, 60811-905, Brasil.
  • Furtado V; Célula de Vigilância Epidemiológica, Secretaria Municipal da Saúde, Fortaleza, Ceará, 60810-670, Brasil.
Sci Rep ; 11(1): 24443, 2021 12 27.
Article in English | MEDLINE | ID: covidwho-1852476
ABSTRACT
We investigate, through a data-driven contact tracing model, the transmission of COVID-19 inside buses during distinct phases of the pandemic in a large Brazilian city. From this microscopic approach, we recover the networks of close contacts within consecutive time windows. A longitudinal comparison is then performed by upscaling the traced contacts with the transmission computed from a mean-field compartmental model for the entire city. Our results show that the effective reproduction numbers inside the buses, [Formula see text], and in the city, [Formula see text], followed a compatible behavior during the first wave of the local outbreak. Moreover, by distinguishing the close contacts of healthcare workers in the buses, we discovered that their transmission, [Formula see text], during the same period, was systematically higher than [Formula see text]. This result reinforces the need for special public transportation policies for highly exposed groups of people.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Contact Tracing / COVID-19 Type of study: Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Sci Rep Year: 2021 Document Type: Article Affiliation country: S41598-021-03998-y

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Contact Tracing / COVID-19 Type of study: Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Humans Country/Region as subject: South America / Brazil Language: English Journal: Sci Rep Year: 2021 Document Type: Article Affiliation country: S41598-021-03998-y