Prevalence of sars-cov-2 antibodies after first 6 months of COVID-19 pandemic, Portugal

Luísa Canto e Castro; Ana Helena Guia Pereira; Rita Ribeiro; Catarina Alves; Luís Veloso; Vera Vicente; Dalila Alves; Inês Domingues; Cláudia Silva; Andreia Gomes; Marta Serrano; Ângela Afonso; Marc Veldhoen; Maria José Rego de Sousa; José Germano Rego de Sousa; Germano de Sousa; Maria M. Mota; Bruno Silva-Santos; Ruy M. Ribeiro

doi:10.3201/eid2711.210636

Prevalence of sars-cov-2 antibodies after first 6 months of COVID-19 pandemic, Portugal

Luísa Canto e Castro, Ana Helena Guia Pereira, Rita Ribeiro, Catarina Alves, Luís Veloso, Vera Vicente, Dalila Alves, Inês Domingues, Cláudia Silva, Andreia Gomes, Marta Serrano, Ângela Afonso, Marc Veldhoen, Maria José Rego de Sousa, José Germano Rego de Sousa, Germano de Sousa, Maria M. Mota, Bruno Silva-Santos, Ruy M. Ribeiro^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

In September 2020, we tested 13,398 persons in Portugal for antibodies against severe acute respiratory syndrome coronavirus 2 by using a quota sample stratifi ed by age and population density. We found a seroprevalence of 2.2%, 3-4 times larger than the offi cial number of cases at the end of the first wave of the pandemic.

Original language	English
Pages (from-to)	2878-2881
Number of pages	4
Journal	Emerging Infectious Diseases
Volume	27
Issue number	11
DOIs	https://doi.org/10.3201/eid2711.210636
Publication status	Published - Nov 2021
Externally published	Yes

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Castro, L. C. E., Pereira, A. H. G., Ribeiro, R., Alves, C., Veloso, L., Vicente, V., Alves, D., Domingues, I., Silva, C., Gomes, A., Serrano, M., Afonso, Â., Veldhoen, M., Sousa, M. J. R. D., de Sousa, J. G. R., de Sousa, G., Mota, M. M., Silva-Santos, B., & Ribeiro, R. M. (2021). Prevalence of sars-cov-2 antibodies after first 6 months of COVID-19 pandemic, Portugal. Emerging Infectious Diseases, 27(11), 2878-2881. https://doi.org/10.3201/eid2711.210636

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title = "Prevalence of sars-cov-2 antibodies after first 6 months of COVID-19 pandemic, Portugal",

abstract = "In September 2020, we tested 13,398 persons in Portugal for antibodies against severe acute respiratory syndrome coronavirus 2 by using a quota sample stratifi ed by age and population density. We found a seroprevalence of 2.2%, 3-4 times larger than the offi cial number of cases at the end of the first wave of the pandemic.",

author = "Castro, {Lu{\'i}sa Canto e} and Pereira, {Ana Helena Guia} and Rita Ribeiro and Catarina Alves and Lu{\'i}s Veloso and Vera Vicente and Dalila Alves and In{\^e}s Domingues and Cl{\'a}udia Silva and Andreia Gomes and Marta Serrano and {\^A}ngela Afonso and Marc Veldhoen and Sousa, {Maria Jos{\'e} Rego de} and {de Sousa}, {Jos{\'e} Germano Rego} and {de Sousa}, Germano and Mota, {Maria M.} and Bruno Silva-Santos and Ribeiro, {Ruy M.}",

note = "Funding Information: This study was supported by Sociedade Francisco Manuel Funding Information: dos Santos and Grupo Jer{\'o}nimo Martins. Portions of this study were supported by the LANL LDRD Program (grant 20210730ER), Fundacao para a Ciencia e Tecnologia (Portugal) (grants PTDC/MAT-APL/31602/2017 and UID/MAT/00006/2019), and the European Union Horizon 2020 Research and Innovation Program (grant no. No 952377: iSTARS ERA Chair). M.V. was supported by the European Union H2020 ERA project (grant 667824: EXCELLtoINNOV). Publisher Copyright: {\textcopyright} 2021 Centers for Disease Control and Prevention (CDC). All rights reserved.",

year = "2021",

month = nov,

doi = "10.3201/eid2711.210636",

language = "English",

volume = "27",

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journal = "Emerging Infectious Diseases",

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Castro, LCE, Pereira, AHG, Ribeiro, R, Alves, C, Veloso, L, Vicente, V, Alves, D, Domingues, I, Silva, C, Gomes, A, Serrano, M, Afonso, Â, Veldhoen, M, Sousa, MJRD, de Sousa, JGR, de Sousa, G, Mota, MM, Silva-Santos, B & Ribeiro, RM 2021, 'Prevalence of sars-cov-2 antibodies after first 6 months of COVID-19 pandemic, Portugal', Emerging Infectious Diseases, vol. 27, no. 11, pp. 2878-2881. https://doi.org/10.3201/eid2711.210636

TY - JOUR

T1 - Prevalence of sars-cov-2 antibodies after first 6 months of COVID-19 pandemic, Portugal

AU - Castro, Luísa Canto e

AU - Pereira, Ana Helena Guia

AU - Ribeiro, Rita

AU - Alves, Catarina

AU - Veloso, Luís

AU - Vicente, Vera

AU - Alves, Dalila

AU - Domingues, Inês

AU - Silva, Cláudia

AU - Gomes, Andreia

AU - Serrano, Marta

AU - Afonso, Ângela

AU - Veldhoen, Marc

AU - Sousa, Maria José Rego de

AU - de Sousa, José Germano Rego

AU - de Sousa, Germano

AU - Mota, Maria M.

AU - Silva-Santos, Bruno

AU - Ribeiro, Ruy M.

N1 - Funding Information: This study was supported by Sociedade Francisco Manuel Funding Information: dos Santos and Grupo Jerónimo Martins. Portions of this study were supported by the LANL LDRD Program (grant 20210730ER), Fundacao para a Ciencia e Tecnologia (Portugal) (grants PTDC/MAT-APL/31602/2017 and UID/MAT/00006/2019), and the European Union Horizon 2020 Research and Innovation Program (grant no. No 952377: iSTARS ERA Chair). M.V. was supported by the European Union H2020 ERA project (grant 667824: EXCELLtoINNOV). Publisher Copyright: © 2021 Centers for Disease Control and Prevention (CDC). All rights reserved.

PY - 2021/11

Y1 - 2021/11

N2 - In September 2020, we tested 13,398 persons in Portugal for antibodies against severe acute respiratory syndrome coronavirus 2 by using a quota sample stratifi ed by age and population density. We found a seroprevalence of 2.2%, 3-4 times larger than the offi cial number of cases at the end of the first wave of the pandemic.

AB - In September 2020, we tested 13,398 persons in Portugal for antibodies against severe acute respiratory syndrome coronavirus 2 by using a quota sample stratifi ed by age and population density. We found a seroprevalence of 2.2%, 3-4 times larger than the offi cial number of cases at the end of the first wave of the pandemic.

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JF - Emerging Infectious Diseases

IS - 11

ER -

Prevalence of sars-cov-2 antibodies after first 6 months of COVID-19 pandemic, Portugal

Abstract

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