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Delay in death reporting affects timely monitoring and modeling of the COVID-19...
Carvalho,Carolina Abreu de; Carvalho,Vitória Abreu de; Campos,Marcos Adriano Garcia; Oliveira,Bruno Luciano Carneiro Alves de; Diniz,Eduardo MoraesThis study describes the COVID-19 death reporting delay in the city of São Luís, Maranhão State, Brazil, and shows its impact on timely monitoring and modeling of the COVID-19 pandemic, while seeking to ascertain how nowcasting can improve death reporting delay. We analyzed COVID-19 death data reported daily in the Epidemiological Bulletin of the State Health Secretariat of Maranhão and calculated the reporting...
Prevalence and factors associated with covid-19 vaccine hesitancy in Maranhão, ...
Oliveira,Bruno Luciano Carneiro Alves de; Campos,Marcos Adriano Garcia; Queiroz,Rejane Christine de Sousa; Alves,Maria Teresa Seabra Soares de Britto eABSTRACT OBJECTIVES: To estimate the prevalence and factors associated with hesitancy in getting the vaccine against SARS-CoV-2 in Maranhão, Brazil. METHODS: This is a cross-sectional population-based study conducted from October 19 to 30, 2020. The estimates were calculated based on clustering, stratification, and non-response. A three-stage sampling was adopted, considering stratum, census tracts, and domicil...
Excess deaths from all causes and by COVID-19 in Brazil in 2020
Santos,Alcione Miranda dos; Souza,Bruno Feres de; Carvalho,Carolina Abreu de; Campos,Marcos Adriano Garcia; Oliveira,Bruno Luciano Carneiro Alves deABSTRACT OBJECTIVE To estimate the 2020 all-cause and COVID-19 excess mortality according to sex, age, race/color, and state, and to compare mortality rates by selected causes with that of the five previous years in Brazil. METHODS Data from the Mortality Information System were used. Expected deaths for 2020 were estimated from 2015 to 2019 data using a negative binomial log-linear model. RESULTS Excess deaths...
Population-based seroprevalence of SARS-CoV-2 and the herd immunity threshold i...
Silva,Antônio Augusto Moura da; Lima-Neto,Lídio Gonçalves; Azevedo,Conceição de Maria Pedrozo e Silva de; Costa,Léa Márcia Melo daABSTRACT OBJECTIVE: To estimate the seroprevalence of SARS-CoV-2 in the state of Maranhão, Brazil. METHODS: A population-based household survey was performed, from July 27, 2020 to August 8, 2020. The estimates considered clustering, stratification and non-response. Qualitative detection of IgM and IgG antibodies was performed in a fully-automated Elecsys® Anti-SARS-CoV-2 electrochemiluminescence immunoassay on...