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Sequential serological surveys in the early stages of the coronavirus disease epidemic: limitations and perspectives

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  • معلومة اضافية
    • الموضوع:
      2020
    • نبذة مختصرة :
      Funda??o Municipal de Sa?de de Teresina. Funda??o Municipal de Sa?de. Diretoria de Vigil?ncia em Sa?de. Teresina, PI, Brasil / Minist?rio da Sa?de. Secretaria de Vigil?ncia em Sa?de. Instituto Evandro Chagas. P?s-gradua??o em Virologia. Ananindeua, PA, Brasil / Minist?rio da Sa?de. Secretaria de Vigil?ncia em Sa?de. Bras?lia, DF, Brasil. Universidade Federal do Piau?. Departamento de Enfermagem. Teresina, PI, Brasil. Funda??o Municipal de Sa?de. Diretoria de Vigil?ncia em Sa?de. Teresina, PI, Brasil. Funda??o Municipal de Sa?de. Diretoria de Vigil?ncia em Sa?de. Teresina, PI, Brasil. Funda??o Municipal de Sa?de. Centro de Opera??es de Emerg?ncias em Sa?de P?blica. Teresina, PI, Brasil / Universidade Federal do Piau?. Programa de P?s-Gradua??o em Sa?de e Comunidade. Teresina, Piau?, Brasil. Instituto de Pesquisa Opinar. Teresina, PI, Brasil. Funda??o Municipal de Sa?de. Centro de Opera??es de Emerg?ncias em Sa?de P?blica. Teresina, PI, Brasil / Centro Universit?rio Uninovafapi. Programa de P?s-Gradua??o em Sa?de da Fam?lia. Teresina, PI, Brasil. Funda??o Municipal de Sa?de. Centro de Opera??es de Emerg?ncias em Sa?de P?blica. Teresina, PI, Brasil / Funda??o Oswaldo Cruz. Programa de P?s-Gradua??o em Medicina Tropical. Teresina, PI, Brasil. Funda??o Municipal de Sa?de. Centro de Opera??es de Emerg?ncias em Sa?de P?blica. Teresina, PI, Brasil. Introduction: Estimates of the number of individuals infected by severe acute respiratory syndrome coronavirus 2 are important for health planning and establishment of expectations regarding herd immunity. Methods: Seven testing rounds of a serological survey were conducted at 1-week intervals between April 19 and May 31, 2020 in Teresina municipality. Results: Over the 7 weeks, serological positivity increased from 0.56% (95% confidence interval [CI]: 0.18%?1.30%) to 8.33% (95% CI: 6.61%?10.33%), representing 33?53 persons infected for each reported case. Conclusions: Serological screening may be an important tool for understanding the immunity of a population and planning community interventions.
    • File Description:
      text/html
    • ISSN:
      1678-9849
    • Rights:
      OPEN
    • الرقم المعرف:
      edsair.doi.dedup.....09f8644f86f610b2c597287a72644468