Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico
Introduction: Physical distancing preventive measures were implemented in Mexico as a response to the coronavirus disease 2019 (CoViD-19) pandemic. School closures occurred on March 16, 2020, in 10 out of 32 Mexican states, and one week later in the remaining states. Because the severe acute respir...
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The Journal of Infection in Developing Countries
2020-09-01
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| Series: | Journal of Infection in Developing Countries |
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| Online Access: | https://jidc.org/index.php/journal/article/view/13250 |
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| author | Efrén Murillo-Zamora José Guzmán-Esquivel Ramón Alberto Sánchez-Piña Guillermo Cedeño-Laurent Iván Delgado-Enciso Oliver Mendoza-Cano |
| author_facet | Efrén Murillo-Zamora José Guzmán-Esquivel Ramón Alberto Sánchez-Piña Guillermo Cedeño-Laurent Iván Delgado-Enciso Oliver Mendoza-Cano |
| author_sort | Efrén Murillo-Zamora |
| collection | DOAJ |
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Introduction: Physical distancing preventive measures were implemented in Mexico as a response to the coronavirus disease 2019 (CoViD-19) pandemic. School closures occurred on March 16, 2020, in 10 out of 32 Mexican states, and one week later in the remaining states. Because the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the influenza virus have similar transmission mechanisms, we aimed to evaluate the impact of physical distancing on the incidence of influenza as a proxy of the impact on SARS-CoV-2 contagion.
Methodology: A national flu surveillance system was cross-sectionally analyzed and daily average percent changes (APCs) of incidence rates were calculated throught Poisson regression models.
Results: Greater decreasing trends (APCs -8.8, 95% CI: -12.5, -4.5; vs. -6.0, 95% CI: -9.9, -2.0; p = 0.026) were documented in the states with earlier school closures and across age groups, suggesting that earlier implementation of physical distance results in reduced SARS-CoV-2 spread.
Conclusions: Physical distancing policies decrease the incidence of influenza infections in Mexico; its favorable impact on the spread of SARS-CoV-2 is commendable.
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| format | Article |
| id | doaj-art-e46b606b46854f9792d66dd1e6422533 |
| institution | OA Journals |
| issn | 1972-2680 |
| language | English |
| publishDate | 2020-09-01 |
| publisher | The Journal of Infection in Developing Countries |
| record_format | Article |
| series | Journal of Infection in Developing Countries |
| spelling | doaj-art-e46b606b46854f9792d66dd1e64225332025-08-20T02:14:16ZengThe Journal of Infection in Developing CountriesJournal of Infection in Developing Countries1972-26802020-09-01140910.3855/jidc.13250Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in MexicoEfrén Murillo-Zamora0José Guzmán-Esquivel 1Ramón Alberto Sánchez-Piña2Guillermo Cedeño-Laurent3Iván Delgado-Enciso4Oliver Mendoza-Cano5Unidad de Medicina Familiar No. 19, Departamento de Epidemiología, Instituto Mexicano del Seguro Social, Colima, MéxicoFacultad de Medicina, Universidad de Colima, Colima, MéxicoDepartment of Environmental Health, Harvard TH Chan School of Public Health. Boston, MA, United StatesDepartment of Environmental Health, Harvard TH Chan School of Public Health. Boston MA, USA. Facultad de Medicina, Universidad de Colima, Colima, MéxicoFacultad de Ingeniería Civil, Universidad de Colima, Colima, México Introduction: Physical distancing preventive measures were implemented in Mexico as a response to the coronavirus disease 2019 (CoViD-19) pandemic. School closures occurred on March 16, 2020, in 10 out of 32 Mexican states, and one week later in the remaining states. Because the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the influenza virus have similar transmission mechanisms, we aimed to evaluate the impact of physical distancing on the incidence of influenza as a proxy of the impact on SARS-CoV-2 contagion. Methodology: A national flu surveillance system was cross-sectionally analyzed and daily average percent changes (APCs) of incidence rates were calculated throught Poisson regression models. Results: Greater decreasing trends (APCs -8.8, 95% CI: -12.5, -4.5; vs. -6.0, 95% CI: -9.9, -2.0; p = 0.026) were documented in the states with earlier school closures and across age groups, suggesting that earlier implementation of physical distance results in reduced SARS-CoV-2 spread. Conclusions: Physical distancing policies decrease the incidence of influenza infections in Mexico; its favorable impact on the spread of SARS-CoV-2 is commendable. https://jidc.org/index.php/journal/article/view/13250InfluenzaSARS-CoV-2Physical distancingCoViD-19pandemicMexico |
| spellingShingle | Efrén Murillo-Zamora José Guzmán-Esquivel Ramón Alberto Sánchez-Piña Guillermo Cedeño-Laurent Iván Delgado-Enciso Oliver Mendoza-Cano Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico Journal of Infection in Developing Countries Influenza SARS-CoV-2 Physical distancing CoViD-19 pandemic Mexico |
| title | Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico |
| title_full | Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico |
| title_fullStr | Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico |
| title_full_unstemmed | Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico |
| title_short | Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico |
| title_sort | physical distancing reduced the incidence of influenza and supports a favorable impact on sars cov 2 spread in mexico |
| topic | Influenza SARS-CoV-2 Physical distancing CoViD-19 pandemic Mexico |
| url | https://jidc.org/index.php/journal/article/view/13250 |
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