Vaccination and Government Stringent Control as Effective Strategies in Preventing SARS-CoV-2 Infections: A Global Perspective

被引:1
|
作者
Yang, Peng [1 ]
Yang, Zhe [1 ]
Zhao, Chenxi [2 ,3 ]
Li, Xinrui [1 ,4 ]
Shao, Zhongjun [2 ]
Liu, Kun [2 ]
Shang, Lei [1 ]
机构
[1] Air Force Med Univ, Sch Publ Hlth, Dept Hlth Stat, Minist Educ Key Lab Hazard Assessment & Control Sp, Xian, Peoples R China
[2] Air Force Med Univ, Sch Publ Hlth, Dept Epidemiol, Minist Educ Key Lab Hazard Assessment & Control Sp, Xian, Peoples R China
[3] Baotou Med Coll, Sch Publ Hlth, Baotou, Peoples R China
[4] Northwest Univ, Sch Med, Xian, Peoples R China
基金
中国国家自然科学基金;
关键词
COVID-19; SARS-CoV-2; vaccination; stringency index; interrupted time series model; INTERRUPTED TIME-SERIES; COVID-19; INTERVENTIONS;
D O I
10.3389/fpubh.2022.903511
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
With the rapid implementation of global vaccination against the coronavirus disease 2019 (COVID-19), the threat posed by the disease has been mitigated, yet it remains a major global public health concern. Few studies have estimated the effects of vaccination and government stringent control measures on the disease transmission from a global perspective. To address this, we collected 216 countries' data on COVID-19 daily reported cases, daily vaccinations, daily government stringency indexes (GSIs), and the human development index (HDI) from the dataset of the World Health Organization (WHO) and the Our World in Data COVID-19 (OWID). We utilized the interrupted time series (ITS) model to examine how the incidence was affected by the vaccination and GSI at continental and country levels from 22 January 2020 to 13 February 2022. We found that the effectiveness of vaccination was better in Europe, North America, and Africa than in Asia, South America, and Oceania. The long-term effects outperformed the short-term effects in most cases. Countries with a high HDI usually had a high vaccination coverage, resulting in better vaccination effects. Nonetheless, some countries with high vaccination coverage did not receive a relatively low incidence due to the weaker GSI. The results suggest that in addition to increasing population vaccination coverage, it is crucial to maintain a certain level of government stringent measures to prevent and control the disease. The strategy is particularly appropriate for countries with low vaccination coverage at present.
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页数:10
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