Evaluating the effect of Chinese control measures on COVID-19 via temporal reproduction number estimation.

Evaluating the effect of Chinese control measures on COVID-19 via temporal reproduction number estimation.
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通过时间再生数估计评估中国控制措施对 COVID-19 的效果

DOI:
10.1371/journal.pone.0246715
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发表时间:
2021
期刊:
影响因子:
3.7
通讯作者:
Zhou T
Zhou T
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Chen D;Zhou T

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控制措施对于遏制 COVID-19 等严重传染病的传播是必要的,尤其是在其早期阶段。我们建议使用时间再生数(有效再生数的扩展)来评估控制措施的有效性,并建立蒙特卡罗方法来估计时间再生数,而无需有关症状发作的完整信息。省级分析表明,中国大陆大部分省份的有效再生数在采取管控措施仅一周后就已降至<1,且一周(2月15日、2月21日)的临时再生数仅为0.18左右。因此,中国对 COVID-19 的控制措施可能是有效且高效的,但还需要进行更多研究。
Control measures are necessary to contain the spread of serious infectious diseases such as COVID-19, especially in its early stage. We propose to use temporal reproduction number an extension of effective reproduction number, to evaluate the efficacy of control measures, and establish a Monte-Carlo method to estimate the temporal reproduction number without complete information about symptom onsets. The province-level analysis indicates that the effective reproduction numbers of the majority of provinces in mainland China got down to < 1 just by one week from the setting of control measures, and the temporal reproduction number of the week [15 Feb, 21 Feb] is only about 0.18. It is therefore likely that Chinese control measures on COVID-19 are effective and efficient, though more research needs to be performed.
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