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10.11606/s1518-8787.2020054003278 http://scihub22266oqcxt.onion/10.11606/s1518-8787.2020054003278 33331525!7703539!33331525     free     free     free Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Rev+Saude+Publica 2020 ; 54 (ä): 131 Nephropedia Template TP {{tp|p=33331525|t=2020. Population-based seroprevalence of SARS-CoV-2 and the herd immunity threshold in Maranhao |pdf=|usr=}}{{33331525}} gab.com Text Population-based seroprevalence of SARS-CoV-2 and the herd immunity threshold in Maranhao JO: Rev Saude Publica http://www.kidney.de/pget.php?&tw=1&pmid=33331525 #FOAvip OBJECTIVE: To estimate the seroprevalence of SARS-CoV-2 in the state of Maranhao, 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(R) Anti-SARS-CoV-2 electrochemiluminescence immunoassay on the Cobas(R) e601 analyzer (Roche Diagnostics). RESULTS: In total, 3,156 individuals were interviewed. Seroprevalence of total antibodies against SARS-CoV-2 was 40.4% (95%CI 35.6-45.3). Population adherence to non-pharmaceutical interventions was higher at the beginning of the pandemic than in the last month. SARS-CoV-2 infection rates were significantly lower among mask wearers and among those who maintained social and physical distancing in the last month compared to their counterparts. Among the infected, 26.0% were asymptomatic. The infection fatality rate (IFR) was 0.14%, higher for men and older adults. The IFR based on excess deaths was 0.28%. The ratio of estimated infections to reported cases was 22.2. CONCLUSIONS: To the best of our knowledge, the seroprevalence of SARS-CoV-2 estimated in this population-based survey is one of the highest reported. The local herd immunity threshold may have been reached or might be reached soon. Twit Text FOAVip Population-based seroprevalence of SARS-CoV-2 and the herd immunity threshold in Maranhao ????Rev Saude Publica http://www.kidney.de/pget.php?&tw=1&pmid=33331525 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=33331525 #FOAvip English Wikipedia <ref>{{Cite pmid|33331525}}</ref> Population-based seroprevalence of SARS-CoV-2 and the herd immunity threshold in Maranhao #MMPMID33331525 Silva AAMD; Lima-Neto LG; Azevedo CMPES; Costa LMMD; Braganca MLBM; Barros Filho AKD; Wittlin BB; Souza BF; Oliveira BLCA; Carvalho CA; Thomaz EBAF; Simoes-Neto EA; Leite Junior JF; Cosme LMSS; Campos MAG; Queiroz RCS; Costa SS; Carvalho VA; Simoes VMF; Alves MTSSBE; Santos AMD Rev Saude Publica 2020[]; 54 (ä): 131 PMID33331525show ga OBJECTIVE: To estimate the seroprevalence of SARS-CoV-2 in the state of Maranhao, 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(R) Anti-SARS-CoV-2 electrochemiluminescence immunoassay on the Cobas(R) e601 analyzer (Roche Diagnostics). RESULTS: In total, 3,156 individuals were interviewed. Seroprevalence of total antibodies against SARS-CoV-2 was 40.4% (95%CI 35.6-45.3). Population adherence to non-pharmaceutical interventions was higher at the beginning of the pandemic than in the last month. SARS-CoV-2 infection rates were significantly lower among mask wearers and among those who maintained social and physical distancing in the last month compared to their counterparts. Among the infected, 26.0% were asymptomatic. The infection fatality rate (IFR) was 0.14%, higher for men and older adults. The IFR based on excess deaths was 0.28%. The ratio of estimated infections to reported cases was 22.2. CONCLUSIONS: To the best of our knowledge, the seroprevalence of SARS-CoV-2 estimated in this population-based survey is one of the highest reported. The local herd immunity threshold may have been reached or might be reached soon. |*Immunity, Herd[MESH] |*Seroepidemiologic Studies[MESH] |Adolescent[MESH] |Adult[MESH] |Aged[MESH] |Antibodies, Viral/*blood[MESH] |Brazil/epidemiology[MESH] |COVID-19/*immunology[MESH] |Child[MESH] |Child, Preschool[MESH] |Female[MESH] |Humans[MESH] |Infant[MESH] |Infant, Newborn[MESH] |Male[MESH] |Middle Aged[MESH] |Pandemics[MESH] |SARS-CoV-2[MESH]Population-based seroprevalence of SARS-CoV-2 and the herd immunity th(epmc).pdf DeepDyve Pubget Overpricing