Relatório 30 - Progresso da COVID-19 no Brasil e no Estado do Rio de Janeiro 36ª à 40ª Semana Epidemiológica do Calendário 2021 (29/08/2021 até 02/10/2021)

Cunha, Americo; Matos, Diego; Pereira, Gabrielle da Silva; Basilio, Julio; Lovisolo, Lisandro; Grave, Malú; Burgos, Rodrigo; Cortês, Adriano; Figueiredo, Karla; Lucena, Rachel; Velho, Roberto; Marshall, Beatriz; Pavlack, Bruna; Catalão, Diego Huter Sobreira; Dantas, Eber; Norenberg, João Pedro; Roca, Leonardo de la; Chaves, Lucas; Coelho, Luiz Felipe Silveira; Issa, Marcos; Tosin, Michel; Ferreira, Miriam Francisca; Constantino-Teles, Pamella; Luo, Roberto; Senhorinha, Stephane Soares Gomes; Guyt, Amanda Cunha; Soares, Luthiana

doi:10.12957/eduerj.covid19rj.relatorio30

Cited by 3 publications

(3 citation statements)

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“…Brazil reported COVID-19 first official case on February 25, 2020 12 , in the city of São Paulo, which is the largest municipality in the country. Similar notifications in other Brazilian cities quickly followed, being accompanied by a devastating scenario of contagion and death 13,14 , as shown in Fig. 1, which presents the prevalence of cases and deaths in the country until October 2021.…”

Section: Introductionmentioning

confidence: 53%

The starting dates of COVID-19 multiple waves

Gianfelice

Oyarzabal

Cunha

et al. 2022

Chaos: An Interdisciplinary Journal of Nonlinear Science

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The severe acute respiratory syndrome of coronavirus 2 spread globally very quickly, causing great concern at the international level due to the severity of the associated respiratory disease, the so-called COVID-19. Considering Rio de Janeiro city (Brazil) as an example, the first diagnosis of this disease occurred in March 2020, but the exact moment when the local spread of the virus started is uncertain as the Brazilian epidemiological surveillance system was not widely prepared to detect suspected cases of COVID-19 at that time. Improvements in this surveillance system occurred over the pandemic, but due to the complex nature of the disease transmission process, specifying the exact moment of emergence of new community contagion outbreaks is a complicated task. This work aims to propose a general methodology to determine possible start dates for the multiple community outbreaks of COVID-19, using for this purpose a parametric statistical approach that combines surveillance data, nonlinear regression, and information criteria to obtain a statistical model capable of describing the multiple waves of contagion observed. The dynamics of COVID-19 in the city of Rio de Janeiro is taken as a case study, and the results suggest that the original strain of the virus was already circulating in Rio de Janeiro city as early as late February 2020, probably being massively disseminated in the population during the carnival festivities.

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Section: Introductionmentioning

confidence: 53%

The starting dates of COVID-19 multiple waves

Gianfelice

Oyarzabal

Cunha

et al. 2022

Chaos: An Interdisciplinary Journal of Nonlinear Science

Self Cite

View full text Add to dashboard Cite

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“…Detalhes sobre a evolução da epidemia ao longo do presente ano podem ser vistos nos relatórios epidemiológicos anteriores [1,2,3,4,5,6,7,8,9,10]. Das análises de monitoramento que realizamos na presente semana epidemiológica, destacamos que:…”

Section: Sumário Executivounclassified

Relatório 32 - Progresso da COVID-19 no Brasil e no Estado do Rio de Janeiro 45ª à 49ª Semana Epidemiológica do Calendário 2021 (31/10/2021 até 04/12/2021)

Cunha¹,

Matos²,

Pereira³

et al. 2021

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“…Detalhes sobre a evolução da epidemia ao longo do presente ano podem ser vistos nos relatórios epidemiológicos anteriores [1,2,3,4,5,6,7,8,9,10,11]. Das análises de monitoramento que realizamos na presente semana epidemiológica, destacamos que:…”

Section: Sumário Executivounclassified