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DOI: 10.1371/journal.pone.0168596
论文题名:
Molecular Evidence of Transmission of Influenza A/H1N1 2009 on a University Campus
作者: Ramandeep Kaur Virk; Vithiagaran Gunalan; Hong Kai Lee; Masafumi Inoue; Catherine Chua; Boon-Huan Tan; Paul Anantharajah Tambyah
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2017
发表日期: 2017-1-6
卷: 12, 期:1
语种: 英语
英文关键词: Phylogenetic analysis ; Influenza ; Influenza viruses ; Phylogeography ; Phylogenetics ; Viral genomics ; Molecular epidemiology ; Sequence analysis
英文摘要: Background In the recent years, the data on the molecular epidemiology of influenza viruses have expanded enormously because of the availability of cutting-edge sequencing technologies. However, much of the information is from the temperate regions with few studies from tropical regions such as South-east Asia. Despite the fact that influenza has been known to transmit rapidly within semi-closed communities, such as military camps and educational institutions, data are limited from these communities. Objectives To determine the phylogeography of influenza viruses on a university campus, we examined the spatial distribution of influenza virus on the National University of Singapore (NUS) campus. Methods Consenting students from the NUS who sought medical attention at the UHC provided two nasopharyngeal swabs and demographic data. PCR was used for detection of influenza viruses. 34 full-genomes of pH1N1/09 viruses were successfully sequenced by Sanger method and concatenated using Geneious R7. Phylogenetic analysis was conducted using these 34 sequences and 1518 global sequences. Phylogeographic analysis was done using BaTS software and Association index and Fitch parsimony scores were determined. Results Integrating whole genome sequencing data with epidemiological data, we found strong evidence of influenza transmission on campus as isolates from students residing on-campus were highly similar to each other (AI, P value = 0.009; PS, P value = 0.04). There was also evidence of multiple introductions from the community. Conclusions Such data are useful in formulating pandemic preparedness plans which can use these communities as sentinel sites for detection and monitoring of emerging respiratory viral infections.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0168596&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/26014
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Department of Medicine, National University of Singapore, Singapore;Bioinformatics Institute, Agency for Science, Technology and Research, Singapore;Department of Laboratory Medicine, National University Hospital, Singapore;Experimental Therapeutics Unit, Agency for Science, Technology and Research, Singapore;University Health Centre, National University of Singapore, Singapore;Detection & Diagnostics Laboratory, DSO National Laboratories, Singapore;Department of Medicine, National University of Singapore, Singapore

Recommended Citation:
Ramandeep Kaur Virk,Vithiagaran Gunalan,Hong Kai Lee,et al. Molecular Evidence of Transmission of Influenza A/H1N1 2009 on a University Campus[J]. PLOS ONE,2017-01-01,12(1)
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