Assessing the impact of COVID-19 border restrictions on dengue transmission in Yunnan Province, China: an observational epidemiological and phylogenetic analysis

Naizhe Li,Yun Feng,Bram Vrancken,Yuyang Chen,Lu Dong,Qiqi Yang,Moritz U.G. Kraemer,Oliver G. Pybus,Hailin Zhang,Oliver J. Brady,Huaiyu Tian

The Lancet Regional Health - Western Pacific（2021）

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摘要

Background: In response to the COVID-19 pandemic, China implemented strict restrictions on cross-border travel to prevent disease importation. Yunnan, a Chinese province that borders dengue-endemic countries in Southeast Asia, experienced unprecedented reduction in dengue, from 6840 recorded cases in 2019 to 260 in 2020.

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COVID-19 border restrictions,dengue expansion,mosquito-borne viruses,lockdown

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