High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil.
Brazil presents one of the highest COVID-19 death tolls in the world. The initial SARS-CoV-2 epicenter was São Paulo city. As of 2019, the homeless population of São Paulo city was estimated at 24,344 individuals, the largest national homeless population. The present study aimed to concomitantly ass...
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Online Access: | https://doi.org/10.1371/journal.pntd.0009754 https://doaj.org/article/b74846aa9b9c4f23aadafa95b6f2acfa |
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ftdoajarticles:oai:doaj.org/article:b74846aa9b9c4f23aadafa95b6f2acfa 2023-05-15T15:07:17+02:00 High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil. Anahi Chechia do Couto Louise Bach Kmetiuk Ruana Renostro Delai Ana Pérola Drulla Brandão Cairo Oliveira Monteiro Luciana Helena Antoniassi da Silva Camila Soares Alexandre Campos Banari Renato van Wilpe Bach Christina Pettan-Brewer Andrea Pires Dos Santos Ana Marcia Sá Guimarães Danielle Bruna Leal Oliveira Edison Luiz Durigon Alexander Welker Biondo 2021-10-01T00:00:00Z https://doi.org/10.1371/journal.pntd.0009754 https://doaj.org/article/b74846aa9b9c4f23aadafa95b6f2acfa EN eng Public Library of Science (PLoS) https://doi.org/10.1371/journal.pntd.0009754 https://doaj.org/toc/1935-2727 https://doaj.org/toc/1935-2735 1935-2727 1935-2735 doi:10.1371/journal.pntd.0009754 https://doaj.org/article/b74846aa9b9c4f23aadafa95b6f2acfa PLoS Neglected Tropical Diseases, Vol 15, Iss 10, p e0009754 (2021) Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 article 2021 ftdoajarticles https://doi.org/10.1371/journal.pntd.0009754 2022-12-31T14:32:25Z Brazil presents one of the highest COVID-19 death tolls in the world. The initial SARS-CoV-2 epicenter was São Paulo city. As of 2019, the homeless population of São Paulo city was estimated at 24,344 individuals, the largest national homeless population. The present study aimed to concomitantly assess the molecular and serological prevalence and associated risk factors of SARS-CoV-2 infection in a homeless population and related shelter workers from a day-shelter. Serum samples, nasopharyngeal and oropharyngeal swabs of persons who are homeless and shelter workers collected from August 25th to 27th, 2020 were tested for the presence of anti-SARS-CoV-2 IgM and IgG antibodies by ELISA and SARS-CoV-2 RNA by RT-qPCR, respectively. All swab samples tested negative by RT-qPCR. Seropositivity of IgM and IgG was 5/203 (2.5%) and 111/203 (54.7%) in persons who are homeless, and 5/87 (5.7%) and 41/87 (47.1%) in shelter workers, respectively, with no statistical differences between groups. The high seroprevalence found herein indicates early environmental and urban spreading of SARS-CoV-2, associated with sociodemographic and economic vulnerability. Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic PLOS Neglected Tropical Diseases 15 10 e0009754 |
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Directory of Open Access Journals: DOAJ Articles |
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English |
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Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
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Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 Anahi Chechia do Couto Louise Bach Kmetiuk Ruana Renostro Delai Ana Pérola Drulla Brandão Cairo Oliveira Monteiro Luciana Helena Antoniassi da Silva Camila Soares Alexandre Campos Banari Renato van Wilpe Bach Christina Pettan-Brewer Andrea Pires Dos Santos Ana Marcia Sá Guimarães Danielle Bruna Leal Oliveira Edison Luiz Durigon Alexander Welker Biondo High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil. |
topic_facet |
Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
description |
Brazil presents one of the highest COVID-19 death tolls in the world. The initial SARS-CoV-2 epicenter was São Paulo city. As of 2019, the homeless population of São Paulo city was estimated at 24,344 individuals, the largest national homeless population. The present study aimed to concomitantly assess the molecular and serological prevalence and associated risk factors of SARS-CoV-2 infection in a homeless population and related shelter workers from a day-shelter. Serum samples, nasopharyngeal and oropharyngeal swabs of persons who are homeless and shelter workers collected from August 25th to 27th, 2020 were tested for the presence of anti-SARS-CoV-2 IgM and IgG antibodies by ELISA and SARS-CoV-2 RNA by RT-qPCR, respectively. All swab samples tested negative by RT-qPCR. Seropositivity of IgM and IgG was 5/203 (2.5%) and 111/203 (54.7%) in persons who are homeless, and 5/87 (5.7%) and 41/87 (47.1%) in shelter workers, respectively, with no statistical differences between groups. The high seroprevalence found herein indicates early environmental and urban spreading of SARS-CoV-2, associated with sociodemographic and economic vulnerability. |
format |
Article in Journal/Newspaper |
author |
Anahi Chechia do Couto Louise Bach Kmetiuk Ruana Renostro Delai Ana Pérola Drulla Brandão Cairo Oliveira Monteiro Luciana Helena Antoniassi da Silva Camila Soares Alexandre Campos Banari Renato van Wilpe Bach Christina Pettan-Brewer Andrea Pires Dos Santos Ana Marcia Sá Guimarães Danielle Bruna Leal Oliveira Edison Luiz Durigon Alexander Welker Biondo |
author_facet |
Anahi Chechia do Couto Louise Bach Kmetiuk Ruana Renostro Delai Ana Pérola Drulla Brandão Cairo Oliveira Monteiro Luciana Helena Antoniassi da Silva Camila Soares Alexandre Campos Banari Renato van Wilpe Bach Christina Pettan-Brewer Andrea Pires Dos Santos Ana Marcia Sá Guimarães Danielle Bruna Leal Oliveira Edison Luiz Durigon Alexander Welker Biondo |
author_sort |
Anahi Chechia do Couto |
title |
High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil. |
title_short |
High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil. |
title_full |
High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil. |
title_fullStr |
High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil. |
title_full_unstemmed |
High SARS-CoV-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in São Paulo, Brazil. |
title_sort |
high sars-cov-2 seroprevalence in persons experiencing homelessness and shelter workers from a day-shelter in são paulo, brazil. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2021 |
url |
https://doi.org/10.1371/journal.pntd.0009754 https://doaj.org/article/b74846aa9b9c4f23aadafa95b6f2acfa |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
PLoS Neglected Tropical Diseases, Vol 15, Iss 10, p e0009754 (2021) |
op_relation |
https://doi.org/10.1371/journal.pntd.0009754 https://doaj.org/toc/1935-2727 https://doaj.org/toc/1935-2735 1935-2727 1935-2735 doi:10.1371/journal.pntd.0009754 https://doaj.org/article/b74846aa9b9c4f23aadafa95b6f2acfa |
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https://doi.org/10.1371/journal.pntd.0009754 |
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PLOS Neglected Tropical Diseases |
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e0009754 |
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