2 documents found, page 1 of 1
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...
Trend analysis of leprosy indicators in a hyperendemic Brazilian state, 2001–2015
Anchieta,Jefferson de Jesus Silva; Costa,Léa Márcia Melo da; Campos,Leonardo Costa; Vieira,Maurício dos Remédios; Mota,Osvaldina SilvaABSTRACT OBJECTIVE To analyze the temporal trend of leprosy indicators in a hyperendemic state of Brazil, from 2001–2015. METHODS This is a time-series study of leprosy indicators in the state of Maranhão, Northeastern region of Brazil. The study used data from the Brazilian National System of Reportable Diseases, for the period between 2001 and 2015. The following indicators were evaluated: (i) detection coeff...