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http://dx.doi.org/10.7845/kjm.2017.6061

Molecular epidemiological study of measles virus throughout an imported epidemic outbreak in Gyeonggi-do in 2014  

Yun, Hee-Jeong (Team of virus, Gyeonggi-do Institute of Health and Environment)
Park, Po-Hyun (Team of virus, Gyeonggi-do Institute of Health and Environment)
Hwang, Sun-Il (Team of virus, Gyeonggi-do Institute of Health and Environment)
Huh, Jeong-Weon (Team of virus, Gyeonggi-do Institute of Health and Environment)
Nam, Soo-Jung (Team of virus, Gyeonggi-do Institute of Health and Environment)
Yong, Kum-Chan (Team of virus, Gyeonggi-do Institute of Health and Environment)
Yoon, Mi-Hye (Team of virus, Gyeonggi-do Institute of Health and Environment)
Publication Information
Korean Journal of Microbiology / v.53, no.1, 2017 , pp. 1-8 More about this Journal
Abstract
Measles virus is a highly contagious, exanthematic virus, preventable by the use of an effective live-attenuated vaccine. However, measles virus remains endemic in many area of the world causing nearly 200,000 deaths per year and still a major cause of child mortality, mostly in developing countries. In March 2014, Republic of Korea was certified as a 'national measles elimination' by the WHO as a result of a high-quality case-based surveillance system and population immunity, which was achieved by a high vaccination rate (>95.0% since 1996). But, since the beginning of 2014, the Gyeonggi province has experienced a resurgence of measles cases. In this study, we investigated the characteristics of measles viruses isolated from confirmed measles in Gyeonggi province during January 1, 2014 ~ July 31, 2014, 60 isolates were obtained from 72 confirmed measles specimens. Genotypic distributions and genetic diversities of isolated measles virus were analyzed by sequencing of nucleoprotein (N) gene. 58 (96.7%) imported cases were identified. The predominant genotype was B3, which reflects the circulating measles virus in adjacent countries. The sequences of nucleoprotein (N) gene of isolated MeV were showed that the strains characterized showed the highest degree of identity (99%) with the Philippine related strains in 2013-2014. Therefore, infected traveler returning from the Philippines transmitted secondary infection in Korea.
Keywords
disease; epidemiology; genotype B3; measles virus; prevention;
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