ArticleFrontiers in cellular and infection microbiology2021
Emergence and Autochthonous Transmission of Dengue Virus Type I in a Low-Epidemic Region in Southeast China.
Article in Frontiers in cellular and infection microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Integrating national evidence with global standards: China's updated dengue and chikungunya diagnosis and treatment plans.Infectious diseases & immunity · 2026Article
- Article
- An ecological assessment of the potential pandemic threat of Dengue Virus in Zhejiang province of China.BMC infectious diseases · 2023Article
- [Dengue virus E protein-based luciferase immunosorbent assay for detecting dengue virus IgG antibody].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2021Article
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18 authors.
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Abstract
Background: Dengue fever is a mosquito-borne febrile illness. Southeast Asia experienced severe dengue outbreaks in 2019, and over 1000 cases had been reported in Jiangxi, a previously known low-epidemic region in China. However, the emergence of a dengue virus epidemic in a non-epidemic region remains unclear. Methods: We enrolled 154 dengue fever patients from four hospitals in Jiangxi, from April 2019 to September 2019. Real-time PCR, NS1 antigen rapid test, and IgM, IgG tests were performed, and 14 samples were outsourced to be sequenced metagenomically. Results: Among the 154 cases, 42 were identified as imported and most of them returned from Cambodia. A total of 113 blood samples were obtained and 106 were identified as DENV-1, two as DENV-2, and five were negative through RT-PCR. All DENV-1 strains sequenced in this study were all classified to one cluster and owned a high similarity with a Cambodia strain isolated in 2019. The evolutionary relationships of amino acid were consistent with that of nucleotide genome result. The sequence-based findings of Jiangxi strains were consistent with epidemiological investigation. Conclusion: Epidemiological analysis demonstrated that the emergence of dengue cases led to autochthonous transmission in several cities in Jiangxi, a low-epidemic region before. This study emphasized future prevention and control of dengue fever in both epidemic and non-epidemic regions.
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