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Shifting dengue virus imports into Yunnan, China, 2017-2019: epidemic lineages sparking local outbreaks.

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases - 1 Aug 2026

Zheng Mengyuan, Chang Wei, Liu Gaowen, Dong Shuwei, Liu Li, Miao Zhijiang, Zhang A-Mei, Huang Ying, Xia Xueshan, Feng Yue

Abstract excerpt

OBJECTIVES: This study examines the genotypic diversity and transmission patterns of dengue virus (DENV) among imported cases in Yunnan. METHODS: A total of 351 suspected imported dengue cases were studied, with infections confirmed by DENV NS1 antigen and Pan-qPCR. Serotype typing was performed through specific qPCR. Genetic and phylogeographic analyses were conducted on 228 newly obtained and 1747 publicly...

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PMID: 42140480
DOI: 10.1016/j.ijid.2026.108797

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