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马来西亚登革热的分子流行病学:2015 - 2021年

Molecular epidemiology of dengue in Malaysia: 2015-2021.

作者信息

Chem Yu Kie, Yenamandra Surya Pavan, Chong Chee Keong, Mudin Rose Nani, Wan Ming Keong, Tajudin Norazimah, Abu Bakar Rehan Shuhada, Yamin Mohd Asri, Yahya Rokiah, Chang Chia-Chen, Koo Carmen, Ng Lee Ching, Hapuarachchi Hapuarachchige Chanditha

机构信息

National Public Health Laboratory, Ministry of Health, Sungai Buloh, Malaysia.

Environmental Health Institute, National Environment Agency, Singapore, Singapore.

出版信息

Front Genet. 2024 May 28;15:1368843. doi: 10.3389/fgene.2024.1368843. eCollection 2024.

DOI:10.3389/fgene.2024.1368843
PMID:38863443
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11165242/
Abstract

Dengue has been one of the major public health problems in Malaysia for decades. Over 600,000 dengue cases and 1,200 associated fatalities have been reported in Malaysia from 2015 to 2021, which was 100% increase from the cumulative total of dengue cases reported during the preceding 07-year period from 2008 to 2014. However, studies that describe the molecular epidemiology of dengue in Malaysia in recent years are limited. In the present study, we describe the genetic composition and dispersal patterns of Dengue virus (DENV) by using 4,004 complete envelope gene sequences of all four serotypes (DENV-1 = 1,567, DENV-2 = 1,417, DENV-3 = 762 and DENV-4 = 258) collected across Malaysia from 2015 to 2021. The findings revealed that DENV populations in Malaysia were highly diverse, and the overall heterogeneity was maintained through repetitive turnover of genotypes. Phylogeography analyses suggested that DENV dispersal occurred through an extensive network, mainly among countries in South and East Asia and Malaysian states, as well as among different states, especially within Peninsular Malaysia. The results further suggested Selangor and Johor as major hubs of DENV emergence and spread in Malaysia.

摘要

几十年来,登革热一直是马来西亚主要的公共卫生问题之一。2015年至2021年期间,马来西亚报告了超过60万例登革热病例和1200例相关死亡病例,比2008年至2014年之前7年期间报告的登革热病例累计总数增加了100%。然而,近年来描述马来西亚登革热分子流行病学的研究有限。在本研究中,我们利用2015年至2021年期间在马来西亚各地收集的所有四种血清型(登革热病毒-1 = 1567例、登革热病毒-2 = 1417例、登革热病毒-3 = 762例和登革热病毒-4 = 258例)的4004条完整包膜基因序列,描述了登革热病毒(DENV)的基因组成和传播模式。研究结果显示,马来西亚的登革热病毒群体高度多样化,总体异质性通过基因型的反复更替得以维持。系统地理学分析表明,登革热病毒的传播是通过一个广泛的网络进行的,主要发生在南亚和东亚国家以及马来西亚各州之间,以及不同州之间,特别是在马来西亚半岛内部。结果进一步表明,雪兰莪州和柔佛州是马来西亚登革热病毒出现和传播的主要中心。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/61b5ab88e5d1/fgene-15-1368843-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/23cb400dc035/fgene-15-1368843-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/cce55e2fa3d5/fgene-15-1368843-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/b2d5bbc495e3/fgene-15-1368843-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/61b5ab88e5d1/fgene-15-1368843-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/23cb400dc035/fgene-15-1368843-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/6c4c1ed7a880/fgene-15-1368843-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/38a2ebdfe31b/fgene-15-1368843-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/30edce6948fd/fgene-15-1368843-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/6dfd94e60723/fgene-15-1368843-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/49f8ca527365/fgene-15-1368843-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/49d073db3f60/fgene-15-1368843-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/cce55e2fa3d5/fgene-15-1368843-g008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cb06/11165242/61b5ab88e5d1/fgene-15-1368843-g010.jpg

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