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COVID-19 in long-term care facilities in Brazil: serological survey in a post-outbreak setting

Barros, Eliana Nogueira Castro de ; Valle, Adriana P do ; Braga, Patricia Emilia ; Viscondi, Juliana Y K ; Fonseca, Antonio R B da ; Vanni, Tazio ; Silva, Anderson da ; Cardoso, Maria Regina ; Villas-Boas, Paulo José F ; Precioso, Alexander Roberto

Revista do Instituto de Medicina Tropical de São Paulo, 2021-01, Vol.63, p.e10-6 [Periódico revisado por pares]

Brazil: Instituto de Medicina Tropical de Sao Paulo

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Título:
COVID-19 in long-term care facilities in Brazil: serological survey in a post-outbreak setting
Autor: Barros, Eliana Nogueira Castro de ; Valle, Adriana P do ; Braga, Patricia Emilia ; Viscondi, Juliana Y K ; Fonseca, Antonio R B da ; Vanni, Tazio ; Silva, Anderson da ; Cardoso, Maria Regina ; Villas-Boas, Paulo José F ; Precioso, Alexander Roberto
Assuntos: Age ; Aged ; Aged, 80 and over ; Antibodies, Viral - analysis ; Brazil - epidemiology ; Brief Communication ; Coronaviruses ; COVID-19 ; COVID-19 - epidemiology ; COVID-19 Serological Testing ; Cross-Sectional Studies ; Disease Outbreaks ; Disease transmission ; Elderly ; Female ; Frailty ; Humans ; Immunoglobulin G - analysis ; Immunoglobulin M - analysis ; Long term health care ; Long-Term Care ; Long-term care facility ; Male ; Nursing Homes ; Older people ; Population ; SARS-CoV-2 ; Seroepidemiologic Studies ; Serology ; Seroprevalence ; Severe acute respiratory syndrome coronavirus 2 ; TROPICAL MEDICINE
É parte de: Revista do Instituto de Medicina Tropical de São Paulo, 2021-01, Vol.63, p.e10-6
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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No conflict of interests to disclaim by the authors.
CONFLICT OF INTERESTS
Descrição: This cross-sectional seroepidemiological survey presents the seroprevalence of SARS-CoV-2 in a population living in 15 Long-Term Care Facilities (LTCFs), after two intra-institutional outbreaks of COVID-19 in the city of Botucatu, Sao Paulo State, Brazil. Residents were invited to participate in the serological survey performed in June and July 2020. Sociodemographic and clinical characterization of the participants as well as the LTCF profile were recorded. Blood samples were collected, processed and serum samples were tested using the rapid One Step COVID-19 immunochromatography test to detect IgM and IgG anti-SARS-CoV-2. Among 209 residents, the median of age was 81 years old, 135 (64.6%) were female and 171 (81.8%) self-referred as being white. An overall seroprevalence of 11.5% (95% CI: 7.5% - 16.6%) was found. The highest seroprevalences of 100% and 76.9% were observed in LTCFs that had experienced COVID-19 outbreaks. Most residents with positive immunochromatography tests (70.8%) referred previous contact with a confirmed COVID-19 case. Although there was a relatively low seroprevalence of COVID-19 in the total number of elderly people, this population is highly vulnerable and LTCFs are environments at higher risk for COVID-19 dissemination. A well-established test for COVID-19 policies, the adequate characterization of the level of interaction between residents and the healthcare provider team and the level of complexity of care are crucial to monitor and control the transmission of SARS-CoV-2 in these institutions.
Editor: Brazil: Instituto de Medicina Tropical de Sao Paulo
Idioma: Inglês;Português

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COVID-19 in long-term care facilities in Brazil: serological survey in a post-outbreak setting

Barros, Eliana Nogueira Castro de ; Valle, Adriana P do ; Braga, Patricia Emilia ; Viscondi, Juliana Y K ; Fonseca, Antonio R B da ; Vanni, Tazio ; Silva, Anderson da ; Cardoso, Maria Regina ; Villas-Boas, Paulo José F ; Precioso, Alexander Roberto

Brazil: Instituto de Medicina Tropical de Sao Paulo

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