Accepted for/Published in: JMIR Public Health and Surveillance
Date Submitted: Feb 12, 2021
Date Accepted: Apr 21, 2021
Date Submitted to PubMed: May 11, 2021
A descriptive analysis of the impact of public health and social measures on COVID-19: How the U.S. compares to other countries
ABSTRACT
Background:
The United States of America (US) has the highest global number of COVID-19 cases and deaths, which may be due in part to delays and inconsistencies in implementing public health and social measures (PHSMs).
Objective:
In this descriptive analysis, we analyzed the epidemiological evidence for PHSM impact on COVID-19 transmission in the US compared to that in ten other countries of varying income levels, population sizes, and geographies.
Methods:
We compared PHSM implementation timing and stringency against COVID-19 daily case counts in the US to that in Canada, China, Ethiopia, Japan, Kazakhstan, New Zealand, Singapore, South Korea, Vietnam, and Zimbabwe through November 25, 2020. We descriptively analyzed the impact of border closures, contact tracing, household confinement, mandated face masks, quarantine and isolation, school closures, limited gatherings, and states of emergency on COVID-19 case counts. We also compared the association between global socioeconomic indicators and national pandemic trajectories across the 11 countries.
Results:
Implementing a specific package of PHSMs (quarantine and isolation, school closures, household confinement, and limiting social gatherings) early and stringently was associated with lower cases and transmission duration in Vietnam, Zimbabwe, New Zealand, South Korea, Ethiopia, and Kazakhstan. In contrast, the US implemented few PHSMs stringently or early and did not utilize this successful package. Across countries, national income was positively associated with cumulative COVID-19 incidence.
Conclusions:
Our findings suggest that early implementation, consistent execution, adequate duration, and high adherence to PHSMs represent key factors in reducing the spread of COVID-19. A country’s wealth appears less important in controlling the pandemic than taking rapid, centralized, and consistent public health action.
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