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Short Communication • Rev. Soc. Bras. Med. Trop. 54 • 2021 • https://doi.org/10.1590/0037-8682-0821-2020   copy

Household crowding hampers mitigating the transmission of SARS-CoV-2

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

INTRODUCTION:

Household crowding deserves attention when evaluating the transmission intensity of SARS-CoV-2 in Brazil. We aimed to evaluate the association between household crowding and COVID-19 incidence.

METHODS:

Linear and Poisson regression analyses were used to assess the associations between indices of household crowding (high, average, low) and COVID-19 incidence estimates.

RESULTS:

Cities with a high index of household crowding were linked with a significantly higher COVID-19 incidence estimate (excess of 461 per 100,000; 95% confidence interval: 371-558 per 100,000).

CONCLUSIONS:

Crowding typically promotes virus transmission. Considering urban and housing structures is essential in designing mitigation strategies during a pandemic.

Keywords:
SARS-CoV-2; COVID-19; Epidemiology; Household crowding

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