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Jae Keun Chung 2 Articles
Epidemiological Characteristics of Field Tick-Borne Pathogens in Gwang-ju Metropolitan Area, South Korea, from 2014 to 2018
Jung Wook Park, Seung Hun Lee, Gi Seong Lee, Jin Jong Seo, Jae Keun Chung
Osong Public Health Res Perspect. 2020;11(4):177-184.   Published online August 31, 2020
DOI: https://doi.org/10.24171/j.phrp.2020.11.4.06
  • 4,155 View
  • 86 Download
  • 4 Citations
AbstractAbstract PDF
Objectives

The importance of tick-borne diseases is increasing because of climate change, with a lack of long-term studies on tick-borne pathogens in South Korea. To understand the epidemiological characteristics of tick-borne diseases, the monthly distribution of field ticks throughout the year was studied in South Korea between May 2014 and April 2018 in a cross sectional study.

Methods

The presence of various tick-borne pathogens (Rickettsia species, Borrelia species, Anaplasma phagocytophilum) was confirmed by using polymerase chain reaction, to provide information for a prevention strategy against tick-borne pathogenic infections, through increased understanding of the relationship between seasonal variation and risk of infection with Rickettsia species. This was performed using logistic regression analysis (SPSS 20, IBM, USA) of the data obtained from the study.

Results

During the study period there were 11,717 ticks collected and 4 species identified. Haemapysalis longicornis was the most common species (n = 10,904, 93.1%), followed by Haemapysalis flava (n = 656, 5.6%), Ixodes nipponensis (n = 151, 1.3%), and Amblyomma testudinarium (n = 6, 0.05%) The results of this cross-sectional study showed that Haemapysalis flava carried a higher risk of transmission of Rickettsia species than other tick species (p < 0.05).

Conclusion

In conclusion, due attention should be paid to preventing tick-borne infections in humans whilst engaged in outdoor activities in Spring and Autumn, particularly in places where there is a high prevalence of ticks.

Citations

Citations to this article as recorded by  
  • Molecular Detection of Anaplasma phagocytophilum and Ehrlichia Species in Ticks Removed from Humans in the Republic of Korea
    Yu-Jung Kim, Ji Ye Seo, Seong Yoon Kim, Hee Il Lee
    Microorganisms.2022; 10(6): 1224.     CrossRef
  • Molecular Detection and Phylogeny of Tick-Borne Pathogens in Ticks Collected from Dogs in the Republic of Korea
    A-Tai Truong, Jinhyeong Noh, Yeojin Park, Hyun-Ji Seo, Keun-Ho Kim, Subin Min, Jiyeon Lim, Mi-Sun Yoo, Heung-Chul Kim, Terry A. Klein, Hyunkyoung Lee, Soon-Seek Yoon, Yun Sang Cho
    Pathogens.2021; 10(5): 613.     CrossRef
  • iSeq 100 for metagenomic pathogen screening in ticks
    Ju Yeong Kim, Myung-hee Yi, Alghurabi Areej Sabri Mahdi, Tai-Soon Yong
    Parasites & Vectors.2021;[Epub]     CrossRef
  • Molecular Identification of Borrelia spp. from Ticks in Pastures Nearby Livestock Farms in Korea
    Haeseung Lee, Seung-Hun Lee, SungShik Shin, Dongmi Kwak
    Insects.2021; 12(11): 1011.     CrossRef
Diversity of Rotavirus Strain Circulated in Gwangju, Republic of Korea
Min Ji Kim, Hye Sook Jeong, Seon Gyeong Kim, Se Mi Lee, Sun Hee Kim, Hye-Young Kee, Eun-hye Jo, Hye-jung Park, Dong-Ryong Ha, Eun Sun Kim, Kye-Won Seo, Jae Keun Chung
Osong Public Health Res Perspect. 2014;5(6):364-369.   Published online December 31, 2014
DOI: https://doi.org/10.1016/j.phrp.2014.10.004
  • 2,150 View
  • 18 Download
  • 3 Citations
AbstractAbstract PDF
Objectives
The introduction of new rotavirus vaccines into the public sphere makes it necessary to maintain constant surveillance and to heighten public awareness of the appearance of new rotavirus strains. We describe the molecular epidemiology of circulating rotavirus strains after vaccine introduction.
Methods
We collected a total of 1070 stool samples from children with gastroenteritis from January 2013 to June 2013. The antigenic prevalence of rotavirus group A was distinguished using enzyme immunoassay. The G and P genotypes of enzyme immunoassay-positive samples were determined with reverse transcription-polymerase chain reaction and nucleotide sequencing analysis.
Results
Of the 1070 samples collected, 277 (25.9%) tested positive for rotaviruses by enzyme-linked immunoabsorbent assay. The most prevalent circulating genotype G was G1 (51.3%), followed by G2 (34.7%) and G9 (10.8%). The predominant type of genotype P was P[8] (66.1%), followed by P[4] (31.4%). In this study, nine genotypes were found. G1P[8] was the most prevalent (51.8%), followed by G2P[4] (30.5%), G9P[8] (9.9%), and G2P[8] (4.0%). Several unusual combinations (G1P[4], G3P[9], G3P[8], G4P[6], and G9P[4]) were also identified.
Conclusion
Molecular epidemiological knowledge of rotaviruses is critical for the development of effective preventive measures, including vaccines. These data will help us monitor the effectiveness of current rotavirus vaccines.

Citations

Citations to this article as recorded by  
  • Rotavirus infection among hospitalized children under five years of age with acute watery diarrhea in Sri Lanka
    Paba Palihawadana, Gagandeep Kang, Janakan Navaratnasingam, Geethani Galagoda, Janaki Abeynayake, Madhava Gunasekera, Shilanthi Seneviratne
    Vaccine.2018; 36(51): 7846.     CrossRef
  • Complete genome sequence analysis of rare G4P[6] rotavirus strains from human and pig reveals the evidence for interspecies transmission
    Rungnapa Malasao, Pattara Khamrin, Kattareeya Kumthip, Hiroshi Ushijima, Niwat Maneekarn
    Infection, Genetics and Evolution.2018; 65: 357.     CrossRef
  • Post-marketing safety surveillance conducted in Korea (2008–2013) following the introduction of the rotavirus vaccine, RIX4414 (Rotarix™)
    Son Moon Shin, Chun Soo Kim, Naveen Karkada, Aixue Liu, Girish Jayadeva, Htay Htay Han
    Human Vaccines & Immunotherapeutics.2016; 12(10): 2590.     CrossRef

PHRP : Osong Public Health and Research Perspectives