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10.1038/s41591-020-0992-3 http://scihub22266oqcxt.onion/10.1038/s41591-020-0992-3 32641783!ä!32641783 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Nat+Med 2020 ; 26 (8): 1196-1199 Nephropedia Template TP {{tp|p=32641783|t=2020. Population-based surveys of antibodies against SARS-CoV-2 in Southern Brazil |pdf=|usr=}}{{32641783}} gab.com Text Population-based surveys of antibodies against SARS-CoV-2 in Southern Brazil JO: Nat Med http://www.kidney.de/pget.php?&tw=1&pmid=32641783 #FOAvip Population-based data on COVID-19 are urgently needed. We report on three rounds of probability sample household surveys in the state of Rio Grande do Sul (Brazil), carried out in nine large municipalities using the Wondfo lateral flow point-of-care test for immunoglobulin M and G antibodies against SARS-CoV-2 (https://en.wondfo.com.cn/product/wondfo-sars-cov-2-antibody-test-lateral-flow-method-2/). Before survey use, the assay underwent four validation studies with pooled estimates of sensitivity (84.8%; 95% confidence interval (CI) = 81.4-87.8%) and specificity (99.0%; 95% CI = 97.8-99.7%). We calculated that the seroprevalence was 0.048% (2/4,151; 95% CI = 0.006-0.174) on 11-13 April (round 1), 0.135% (6/4,460; 95% CI = 0.049-0.293%) on 25-27 April (round 2) and 0.222% (10/4,500; 95% CI = 0.107-0.408) on 9-11 May (round 3), with a significant upward trend over the course of the surveys. Of 37 family members of positive individuals, 17 (35%) were also positive. The epidemic is at an early stage in the state, and there is high compliance with social distancing, unlike in other parts of Brazil. Periodic survey rounds will continue to monitor trends until at least the end of September, and our population-based data will inform decisions on preventive policies and health system preparedness at the state level. Twit Text FOAVip Population-based surveys of antibodies against SARS-CoV-2 in Southern Brazil ????Nat Med http://www.kidney.de/pget.php?&tw=1&pmid=32641783 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32641783 #FOAvip English Wikipedia <ref>{{Cite pmid|32641783}}</ref> Population-based surveys of antibodies against SARS-CoV-2 in Southern Brazil #MMPMID32641783 Silveira MF; Barros AJD; Horta BL; Pellanda LC; Victora GD; Dellagostin OA; Struchiner CJ; Burattini MN; Valim ARM; Berlezi EM; Mesa JM; Ikeda MLR; Mesenburg MA; Mantesso M; Dall'Agnol MM; Bittencourt RA; Hartwig FP; Menezes AMB; Barros FC; Hallal PC; Victora CG Nat Med 2020[Aug]; 26 (8): 1196-1199 PMID32641783show ga Population-based data on COVID-19 are urgently needed. We report on three rounds of probability sample household surveys in the state of Rio Grande do Sul (Brazil), carried out in nine large municipalities using the Wondfo lateral flow point-of-care test for immunoglobulin M and G antibodies against SARS-CoV-2 (https://en.wondfo.com.cn/product/wondfo-sars-cov-2-antibody-test-lateral-flow-method-2/). Before survey use, the assay underwent four validation studies with pooled estimates of sensitivity (84.8%; 95% confidence interval (CI) = 81.4-87.8%) and specificity (99.0%; 95% CI = 97.8-99.7%). We calculated that the seroprevalence was 0.048% (2/4,151; 95% CI = 0.006-0.174) on 11-13 April (round 1), 0.135% (6/4,460; 95% CI = 0.049-0.293%) on 25-27 April (round 2) and 0.222% (10/4,500; 95% CI = 0.107-0.408) on 9-11 May (round 3), with a significant upward trend over the course of the surveys. Of 37 family members of positive individuals, 17 (35%) were also positive. The epidemic is at an early stage in the state, and there is high compliance with social distancing, unlike in other parts of Brazil. Periodic survey rounds will continue to monitor trends until at least the end of September, and our population-based data will inform decisions on preventive policies and health system preparedness at the state level. |Adolescent[MESH] |Adult[MESH] |Aged[MESH] |Aged, 80 and over[MESH] |Antibodies, Viral/*blood/immunology[MESH] |Betacoronavirus/immunology/pathogenicity[MESH] |Brazil/epidemiology[MESH] |COVID-19[MESH] |Child[MESH] |Child, Preschool[MESH] |Coronavirus Infections/*blood/*epidemiology/immunology[MESH] |Female[MESH] |Humans[MESH] |Immunoglobulin M/*blood/immunology[MESH] |Infant[MESH] |Male[MESH] |Middle Aged[MESH] |Pandemics[MESH] |Pneumonia, Viral/*blood/*epidemiology/immunology[MESH] |SARS-CoV-2[MESH] |Seroepidemiologic Studies[MESH]Population-based surveys of antibodies against SARS-CoV-2 in Southern (epmc).pdf DeepDyve Pubget Overpricing