COVID-19 vaccination program in the mainland of China: a subnational descriptive analysis on target population size and current progress.
COVID-19 vaccination program in the mainland of China: a subnational descriptive analysis on target population size and current progress.
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DOI：
10.1186/s40249-021-00909-1
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发表时间：
2021-10-15
影响因子：
8.1
通讯作者：
Yu H
中科院分区：
文献类型：
--
作者：
Zheng W;Yan X;Zhao Z;Yang J;Yu H
从长远来看，中国面临输入性新冠肺炎（COVID-19）病例和国内复发的重大风险，预计新冠肺炎疫苗接种将成为结束大流行的长久之计。我们的目的是估算中国大陆省级新冠肺炎疫苗接种目标人群的规模，并总结当前疫苗接种计划的进展情况，以支持地方政府及时确定和调整疫苗接种政策和推广措施。我们在2020年12月至2021年8月期间对中国大陆的全体人口进行了描述性研究。通过从公开来源提取各省分层数据，我们估计了疫苗接种计划优先目标群体的规模，并进一步描述了省级正在进行的疫苗接种计划，包括接种总剂量、覆盖率和到2021年底实现80%目标覆盖率所需的疫苗接种能力。我们使用R（版本4.1.0）来完成描述性统计。目标人口的规模在各省之间差异很大，从340万到1.084亿不等。截至2021年8月31日，疫苗推广的速度也有很大差异，北京和上海的覆盖率最高，分别为88.5%和79.1%的人口完全接种了疫苗。截至8月，在31个省级行政区中，有22个省70%以上的人口接种了至少一剂疫苗。以目前的疫苗接种能力，到2021年可在28个发展中国家实现80%覆盖率的目标。自实施以来，中国的疫苗接种速度有了很大的提高，基本可以实现疫苗的目标覆盖。在线版本包含补充材料，可在10.1186/s40249-021-00909-1获得。
China is facing substantial risks of imported coronavirus disease 2019 (COVID-19) cases and a domestic resurgence in the long run, and COVID-19 vaccination is expected to be the long-lasting solution to end the pandemic. We aim to estimate the size of the target population for COVID-19 vaccination at the provincial level in the mainland of China, and summarize the current progress of vaccination programs, which could support local governments in the timely determination and adjustment of vaccination policies and promotional measures. We conducted a descriptive study of the entire population in the mainland of China, between December 2020 and August 2021. By extracting provincial-stratified data from publicly available sources, we estimated the size of priority target groups for vaccination programs, and further characterized the ongoing vaccination program at the provincial level, including the total doses administered, the coverage rate, and the vaccination capacity needed to achieve the target coverage of 80% by the end of 2021. We used R (version 4.1.0) to complete the descriptive statistics. The size of the target population shows large differences among provinces, ranging from 3.4 million to 108.4 million. As of 31 August, 2021, the speed of vaccine roll-out differs considerably as well, with the highest coverage occurring in Beijing and Shanghai, where 88.5% and 79.1% of the population has been fully vaccinated, respectively. In 22 of 31 provincial-level administrative divisions (PLADs), more than 70% of the population was administered at least one dose by August. With the current vaccination capacity, the target of 80% coverage could be achieved by 2021 in 28 PLADs. Disparities exist in the target population size and vaccination progress across provinces in the mainland of China. China has made great strides in the vaccination speed since roll-out, and could basically achieve the targeted vaccine coverage. The online version contains supplementary material available at 10.1186/s40249-021-00909-1.
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