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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...
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...
Maternal smoking during pregnancy and early development of overweight and growt...
Fonseca,Poliana Cristina de Almeida; Carvalho,Carolina Abreu de; Carvalho,Vitória Abreu de; Ribeiro,Andréia Queiroz; Priore,Silvia EloizaAbstract Objectives: to evaluate the association between smoking during pregnancy and nutritional status. Methods: cohort study with a sample of 460 children in the baseline. The children were assessed four times, being measured for weight and length to be converted in indexes length forage (L/A) and body mass index forage (BMI/A) in Z-score. The time until occurrence of growth deficit and overweight was calcul...