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Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico.
J Infect Dev Ctries. 2020 09 30; 14(9):953-956.JI

Abstract

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.

Authors+Show Affiliations

Unidad de Medicina Familiar No. 19, Departamento de Epidemiología, Instituto Mexicano del Seguro Social, Colima, México. 3frenmurillo@gmail.com.Facultad de Medicina, Universidad de Colima, Colima, México. enicetoeto@gmail.com.Department of Environmental Health, Harvard TH Chan School of Public Health. Boston, MA, United States. rsanchez@hsph.harvard.edu.Department of Environmental Health, Harvard TH Chan School of Public Health. Boston MA, USA. . memocedeno@mail.harvard.edu.Facultad de Medicina, Universidad de Colima, Colima, México. ivan_delgado_enciso@ucol.mx.Facultad de Ingeniería Civil, Universidad de Colima, Colima, México. oliver@ucol.mx.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

33031079

Citation

Murillo-Zamora, Efrén, et al. "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, vol. 14, no. 9, 2020, pp. 953-956.
Murillo-Zamora E, Guzmán-Esquivel J, Sánchez-Piña RA, et al. Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico. J Infect Dev Ctries. 2020;14(9):953-956.
Murillo-Zamora, E., Guzmán-Esquivel, J., Sánchez-Piña, R. A., Cedeño-Laurent, G., Delgado-Enciso, I., & Mendoza-Cano, O. (2020). 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, 14(9), 953-956. https://doi.org/10.3855/jidc.13250
Murillo-Zamora E, et al. Physical Distancing Reduced the Incidence of Influenza and Supports a Favorable Impact On SARS-CoV-2 Spread in Mexico. J Infect Dev Ctries. 2020 09 30;14(9):953-956. PubMed PMID: 33031079.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Physical distancing reduced the incidence of influenza and supports a favorable impact on SARS-CoV-2 spread in Mexico. AU - Murillo-Zamora,Efrén, AU - Guzmán-Esquivel,José, AU - Sánchez-Piña,Ramón Alberto, AU - Cedeño-Laurent,Guillermo, AU - Delgado-Enciso,Iván, AU - Mendoza-Cano,Oliver, Y1 - 2020/09/30/ PY - 2020/06/12/received PY - 2020/08/11/accepted PY - 2020/10/8/entrez PY - 2020/10/9/pubmed PY - 2020/10/27/medline KW - CoViD-19 KW - Mexico KW - SARS-CoV-2 KW - influenza KW - pandemic KW - physical distancing SP - 953 EP - 956 JF - Journal of infection in developing countries JO - J Infect Dev Ctries VL - 14 IS - 9 N2 - 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. SN - 1972-2680 UR - https://www.unboundmedicine.com/medline/citation/33031079/Physical_distancing_reduced_the_incidence_of_influenza_and_supports_a_favorable_impact_on_SARS_CoV_2_spread_in_Mexico_ L2 - http://www.jidc.org/index.php/journal/article/view/33031079 DB - PRIME DP - Unbound Medicine ER -