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Distributions of antibody titers to Mycoplasma pneumoniae in Korean children in 2000-2003.

Authors
  • Yu, Jinho
  • Yoo, Young
  • Kim, Do Kyun
  • Kang, Hee
  • Koh, Young Yull
Type
Published Article
Journal
Journal of Korean medical science
Publication Date
Aug 01, 2005
Volume
20
Issue
4
Pages
542–547
Identifiers
PMID: 16100441
Source
Medline
License
Unknown

Abstract

The aim of study was to describe Mycoplasma pneumoniae epidemics in a hospital-based population. Special attention was paid to the relationship between antibody titer to M. pneumoniae and sex, age, and atopy. During the eight 6-month periods between January 2000 and December 2003, serum samples were obtained from 1,319 Korean children who presented with respiratory symptoms, and were examined for antibodies to M. pneumoniae using the indirect particle agglutination test. Geometric mean antibody titers peaked in the second half of 2000 and then decreased gradually, a second peak occurred in the second half of 2003. Likewise, the frequency of high antibody titers (> or =1:640) also peaked during these two periods. Antibody titers in children aged 0-3 yr were lower than in older children during both peak periods and for 2 yr after the first peak. Sex and atopy had no effect on antibody titers. During the years 2000-2003, geometric mean antibody titers and the frequencies of high antibody titers varied with time. These changes suggest a cyclic pattern of M. pneumoniae infection, with two epidemic peaks separated by 3 yr.

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