Article ; Online: Local protection bubbles: an interpretation of the slowdown in the spread of coronavirus in the city of São Paulo, Brazil, in July 2020.
2023 Volume 39, Issue 11, Page(s) e00109522
Abstract: After four months of fighting the pandemic, the city of São Paulo, Brazil, entered a phase ... the pandemic dynamics in the city of São Paulo, we developed a multi-agent simulation model. Surprisingly ... socioeconomic development, as well as the infrastructure of the city of São Paulo. ...
Abstract | After four months of fighting the pandemic, the city of São Paulo, Brazil, entered a phase of relaxed social distancing measures in July 2020. Simultaneously, there was a decline in the social distancing rate and a reduction in the number of cases, fatalities, and hospital bed occupancy. To understand the pandemic dynamics in the city of São Paulo, we developed a multi-agent simulation model. Surprisingly, the counter-intuitive results of the model followed the city's reality. We argue that this phenomenon could be attributed to local bubbles of protection that emerged in the absence of contagion networks. These bubbles reduced the transmission rate of the virus, causing short and temporary reductions in the epidemic curve - but manifested as an unstable equilibrium. Our hypothesis aligns with the virus spread dynamics observed thus far, without the need for ad hoc assumptions regarding the natural thresholds of collective immunity or the heterogeneity of the population's transmission rate, which may lead to erroneous predictions. Our model was designed to be user-friendly and does not require any scientific or programming expertise to generate outcomes on virus transmission in a given location. Furthermore, as an input to start our simulation model, we developed the COVID-19 Protection Index as an alternative to the Human Development Index, which measures a given territory vulnerability to the coronavirus and includes characteristics of the health system and socioeconomic development, as well as the infrastructure of the city of São Paulo. |
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MeSH term(s) | Humans ; Brazil/epidemiology ; Cities/epidemiology ; COVID-19 |
Language | English |
Publishing date | 2023-12-15 |
Publishing country | Brazil |
Document type | Journal Article |
ZDB-ID | 1115730-6 |
ISSN | 1678-4464 ; 0102-311X |
ISSN (online) | 1678-4464 |
ISSN | 0102-311X |
DOI | 10.1590/0102-311XEN109522 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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