Epidemics of enterovirus infection in Chungnam Korea, 2008 and 2009
2011

Epidemics of Enterovirus Infection in Chungnam, Korea (2008-2009)

Sample size: 1214 publication Evidence: moderate

Author Information

Author(s): Baek KyoungAh, Yeo SangGu, Lee BaeckHee, Park KwiSung, Song JaeHyoung, Yu JeeSuk, Rheem InSoo, Kim JaeKyung, Hwang SeoYeon, Choi YoungJin, Cheon DooSung, Park JoonSoo

Primary Institution: Chungcheongnam-Do Institute of Health and Environmental Research

Hypothesis

What are the epidemic patterns and molecular characteristics of enteroviruses in Chungnam, Korea during 2008 and 2009?

Conclusion

The study found that enteroviruses showed a similar seasonal pattern and age distribution as previous years, with the highest rates in children under one year old.

Supporting Evidence

  • Enteroviruses were isolated from 1214 clinical samples.
  • The most prevalent month for infections was July.
  • Children under 1 year old had the highest rate of enterovirus-positive samples.
  • 82 enteroviruses were isolated from 435 cases in 2008.
  • 107 enteroviruses were isolated from 779 cases in 2009.
  • Aseptic meningitis was the major clinical manifestation in both years.
  • Phylogenetic analysis revealed distinct clusters of enterovirus strains.

Takeaway

This study looked at how enteroviruses spread in Chungnam, Korea, finding that they mostly affected babies and peaked in the summer.

Methodology

The study involved isolating enteroviruses from clinical samples and performing RT-PCR and sequencing for molecular typing.

Limitations

The study may not capture all enterovirus types due to the limitations of the sampling and testing methods.

Participant Demographics

The majority of cases involved children under 10 years of age, with a male-to-female ratio of approximately 1.78:1.

Digital Object Identifier (DOI)

10.1186/1743-422X-8-297

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