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Molecular surveillance of rubella viruses in Taiwan from 2005 to 2011.
MedLine Citation:
PMID:  23417619     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Rubella has been listed as a mandatory notifiable disease in Taiwan since 1988. Because of high coverage rates with an effective vaccine, rubella cases have decreased dramatically in Taiwan since 1994. However, rubella outbreaks still occur due to imported transmission. Five large clusters were detected in Taiwan from 2007 to 2011. In 2007, one cluster was caused by rubella genotype 1E viruses that were imported from Vietnam, whereas another cluster was caused by genotype 2B viruses and was untraceable. In 2008, two clusters were caused by different lineages of genotype 1E viruses that were imported from Malaysia. In 2009, a cluster that was caused by genotype 2B viruses was associated with imported cases from Vietnam. The rubella viruses from 124 confirmed cases from 2005 to 2011 were characterized, and the data revealed that these viruses were distributed in the following four genotypes: 1E (n = 56), 1h (n = 1), 1j (n = 4), and 2B (n = 63). Of these viruses, 93 (75%) were associated with imported cases, and 43 of 56 genotype 1E viruses were associated with imported cases from China, Vietnam, Malaysia, and Indonesia. One genotype 1h virus was imported from Belarus, and three of four genotype 1j viruses were imported from the Philippines. Of 63 rubella genotype 2B viruses, 46 were imported from Vietnam, Thailand, Malaysia, China, Germany, and South Africa. Molecular surveillance allows for the differentiation of circulating rubella viruses and can be used to investigate transmission pathways, which are important to identify the interruption of endemic virus transmission. J. Med. Virol. 85:745-753, 2013. © 2013 Wiley Periodicals, Inc.
Authors:
Wen-Yueh Cheng; Hsiao-Chi Wang; Ming-Tsan Liu; Ho-Sheng Wu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of medical virology     Volume:  85     ISSN:  1096-9071     ISO Abbreviation:  J. Med. Virol.     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-02-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7705876     Medline TA:  J Med Virol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  745-53     Citation Subset:  IM    
Copyright Information:
Copyright © 2013 Wiley Periodicals, Inc.
Affiliation:
Center for Research and Diagnostic, Centers for Disease Control, Taipei, Taiwan. yueh@cdc.gov.tw.
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