Journal of Preventive Medicine and Public Health

Validation Studies

Validity of Measles Immunization Certificates Submitted upon Enrollment in an Elementary School in Korea.: Kunsei Lee, Hyeongsu Kim, Eunyoung Shin, Youngtaek Kim, Sounghoon Chang, Jaewook Choi; J Prev Med Public Health. 2009;42(2):104-108.; DOI: https://doi.org/10.3961/jpmph.2009.42.2.104

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OBJECTIVES
To increase the booster vaccination rate, the Korean government legislated a measles vaccination for elementary school students in 2001, requiring parents to submit a certificate of vaccination upon the admission of the students to elementary school. The purpose of this study was to evaluate the validity of measles vaccination certificates which were issued to parents. METHODS: Using questionnaire survey data of 890 general practitioners and 9,235 parents in 2005, we investigated the evidence for booster vaccination certificates of measles. RESULTS: In the survey of general practitioners, 59.5% of the certificates depended on the medical records of clinic, 13.5% was immunization booklets, 23.7% was re-immunizations, 1.9% was confirmation of record of other clinics, and 1.4% was parents' statements or requests without evidence. In the survey of parents, 36.2% of the certificates depended on the medical records of clinic, 43.4% was immunization booklets, 18.0% was reimmunizations, and 2.4% was parents statements or requests without evidence. CONCLUSIONS: Our findings show that a majority of the booster vaccination certificates of measles was issued on the basis of documented vaccinations and it means that the implementation of the law requiring the submission of elementary school students' vaccination certificates has been very successful in Korea.

Summary

Citations

Citations to this article as recorded by

Increasing vaccination coverage: The school entry vaccination record check program in Guizhou Province China, 2003–2018
Shuyan Zuo, Dayong Zhang, Qiuyue Mu, Lifang Dai, Wen Du, Fei Xu, Jun Feng, James Dawson Heffelfinger
Vaccine.2020; 38(46): 7379. CrossRef
School entry vaccination requirement program: Experience from the Republic of Korea
Young June Choe, Kwangsuk Park, Eunyoung Park, Insik Kong, Jong-Koo Lee
Vaccine.2018; 36(37): 5497. CrossRef
Measles Elimination Activities in the Western Pacific Region: Experience from the Republic of Korea
Young June Choe, Youngmee Jee, Myoung-don Oh, Jong-Koo Lee
Journal of Korean Medical Science.2015; 30(Suppl 2): S115. CrossRef
Reemergence of Measles in South Korea: Implications for Immunization and Surveillance Programs
Young-Joon Park, Hye Suk Eom, Eun Seong Kim, Young June Choe, Geun-Ryang Bae, Duk-Hyoung Lee
Japanese Journal of Infectious Diseases.2013; 66(1): 6. CrossRef
Effectiveness assessment of vaccination policy against measles epidemic in Japan using an age–time two-dimensional mathematical model
Yusuke Maitani, Hirofumi Ishikawa
Environmental Health and Preventive Medicine.2012; 17(1): 34. CrossRef
Seroprevalence of measles among children affected by national measles elimination program in Korea, 2010
Eun Seong Kim, Young June Choe, Heeyeon Cho, You-Jin Kim, Hee Sook Yoon, Jeong-Sun Yang, Kisoon Kim, Geun-Ryang Bae, Duk-hyoung Lee
Vaccine.2012; 30(23): 3355. CrossRef

English Abstract

Epidemiological Investigation of a Measles Outbreak in a Preschool in Incheon, Korea, 2006.: Jae Sung So, Un Yeong Go, Dong Han Lee, Koang Suk Park, Jong Koo Lee; J Prev Med Public Health. 2008;41(3):153-158.; DOI: https://doi.org/10.3961/jpmph.2008.41.3.153

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OBJECTIVES
This study describes a plan that was designed to prevent a measles outbreak that showed a changed outbreak pattern. This study is based on the epidemiological investigation of a measles outbreak in a preschool in Incheon, Korea, 2006. METHODS: The subjects were 152 students at a preschool where a measles outbreak occurred. A questionnaire survey was conducted and serological testing for measlesspecific IgM was preformed. RESULTS: Of the fifteen confirmed, identified cases, eleven patients had been vaccinated with one dose, one patient had received two doses and three patients were unvaccinated. The three unvaccinated cases consisted of one 5-year-old child, one 3-year-old child and one 16-month-old infant. For the cases with one dose of the vaccination, there were 11 cases, which consisted of six 5-year-old children, two 4-year-old children, two 3-year-old children and one 2-year-old child. The case with two doses of the vaccination was one 4-year-old child. The attack rate of measles was 100% in the 0-dose group, 11.2% in the 1-dose group and 2.0% in the 2-dose group. The vaccine's efficacy was 88.8% in the 1-dose group and 98.0% in the 2-dose group. The vaccine effectiveness for the 2-dose group was higher than that of the 1-dose group. CONCLUSIONS: High coverage with a 2-dose vaccination should be maintained, and the vaccination should be given at the suitable time to prevent a measles outbreak with a changed outbreak pattern.

Summary

Citations

Citations to this article as recorded by

Vaccines for measles, mumps, rubella, and varicella in children
Carlo Di Pietrantonj, Alessandro Rivetti, Pasquale Marchione, Maria Grazia Debalini, Vittorio Demicheli
Cochrane Database of Systematic Reviews.2021;[Epub] CrossRef
Vaccines for measles, mumps, rubella, and varicella in children
Carlo Di Pietrantonj, Alessandro Rivetti, Pasquale Marchione, Maria Grazia Debalini, Vittorio Demicheli
Cochrane Database of Systematic Reviews.2020;[Epub] CrossRef
Measles Elimination Activities in the Western Pacific Region: Experience from the Republic of Korea
Young June Choe, Youngmee Jee, Myoung-don Oh, Jong-Koo Lee
Journal of Korean Medical Science.2015; 30(Suppl 2): S115. CrossRef
Epidemiological Investigation of a Measles Outbreak in Seoul, 2013~2014
Heejin Ham, Jungim Jang, Changho Han
Journal of Bacteriology and Virology.2015; 45(4): 372. CrossRef
Vaccines for measles, mumps and rubella in children
Vittorio Demicheli, Alessandro Rivetti, Maria Grazia Debalini, Carlo Di Pietrantonj
Evidence-Based Child Health: A Cochrane Review Journal.2013; 8(6): 2076. CrossRef
Reemergence of Measles in South Korea: Implications for Immunization and Surveillance Programs
Young-Joon Park, Hye Suk Eom, Eun Seong Kim, Young June Choe, Geun-Ryang Bae, Duk-Hyoung Lee
Japanese Journal of Infectious Diseases.2013; 66(1): 6. CrossRef
Assessment of Serologic Immunity to Diphtheria-Tetanus-Pertussis After Treatment of Korean Pediatric Hematology and Oncology Patients
Hyo Jin Kwon, Jae-Wook Lee, Nak-Gyun Chung, Bin Cho, Hack-Ki Kim, Jin Han Kang
Journal of Korean Medical Science.2012; 27(1): 78. CrossRef
Current status of measles in the Republic of Korea: an overview of case-based and seroepidemiological surveillance scheme
Young June Choe, Geun-Ryang Bae
Korean Journal of Pediatrics.2012; 55(12): 455. CrossRef
Seroprevalence of measles among children affected by national measles elimination program in Korea, 2010
Eun Seong Kim, Young June Choe, Heeyeon Cho, You-Jin Kim, Hee Sook Yoon, Jeong-Sun Yang, Kisoon Kim, Geun-Ryang Bae, Duk-hyoung Lee
Vaccine.2012; 30(23): 3355. CrossRef
Vaccines for measles, mumps and rubella in children
Vittorio Demicheli, Alessandro Rivetti, Maria Grazia Debalini, Carlo Di Pietrantonj
Cochrane Database of Systematic Reviews.2012;[Epub] CrossRef
Evaluation of an Expanded Case Definition for Vaccine-Modified Measles in a School Outbreak in South Korea in 2010
Young June Choe, Jae Kyung Hu, Kyung Min Song, Heeyeon Cho, Hee Sook Yoon, Seung Tae Kim, Han Jung Lee, Kisoon Kim, Geun-Ryang Bae, Jong-Koo Lee
Japanese Journal of Infectious Diseases.2012; 65(5): 371. CrossRef

Original Articles

Evaluation of Measles Vaccine Effectiveness in a Community Outbreak.: Byung Chan Park, Hae Kwan Cheong, Sue Kyung Park; Korean J Prev Med. 2002;35(1):33-40.

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Abstract PDF: OBJECTIVE
From an analysis of a community outbreak of measles in Youngju, Gyeongbuk, in March 2000, the authors evaluated the effectiveness of the measles vaccination and its determinants to provide an epidemiologic basis for the establishment of a vaccination policy. METHODS: Information was collected regarding the vaccinations from the health records of four primary schools and through a questionnaire survey of the parents of students in two middle and two high schools (N=4638). Measles cases were surveyed from the patient list of each school and from case reports in the public health center. The attack rate and vaccine effectiveness of measles was evaluated by school; grade; frequency, region, and institution of vaccination. RESULTS: The attack rate of measles, 6.3% among the total subjects, was higher in middle school students (15.8%) than in primary (2.0%, p<0.05) and high school students (8.9%, p<0.05). The attack rate of the unvaccinated group was 4.6-fold higher than the vaccinated group in primary schools (p<0.05). Vaccine effectiveness was 83.2% among lower graders of primary schools, 34.0% among higher graders of primary schools, 26.1% in middle schools, and -7.0% in high schools. In multiple logistic regression analysis, grade in school (odds ratio, 0.77; 95% CI=0.67-0.87) and frequency of vaccination (odds ratio, 0.57; 95% CI=0.37-0.88) were significant predictors of the outcome. CONCLUSIONS: We concluded that the explosive outbreak of measles in this area resulted from both inadequate vaccination coverage and secondary failure of vaccination. There was no evidence of any effect of the cold chain system on the vaccine failure.; Summary

Comparative Epidemiologic Survey of Measles in Two Primary Schools.: Sue Kyung Park, Jee Hee Kim, Joo Yeon Lee, Byoung Kuk Na, Woo Joo Kim, Hae Kwan Cheong; Korean J Prev Med. 2001;34(2):131-140.

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Abstract PDF: OBJECTIVES
During March-May, 2000, a measles outbreak occurred at Youngduk, Korea. This county is divided into two areas with different historical and socioeconomic background. The outbreak occurred in one of these areas. We conducted a comparative epidemiologic study on the two areas in order to evaluate the factors related to the epidemic. MATERIALS AND METHODS: We selected two groups, grades 3 and 5 in a primary schools in each area. We investigated outbreak-related factors using parent-questionnaires, the vaccination history from the students health record and the records concerning the recent measles-outbreak from the local health center. Serologic test on measles-IgG and -IgM antibody was done. RESULTS: The infection rate was 31.6% for the epidemic area and 3.7% for non-the epidemic area according to clinical or serological criteria (p<0.001). No difference was seen in the measles vaccination rate, residence at the time of vaccination or past measles infection history between the two areas. In the epidemic area, the attack rate for the 4-6 year-old MMR booster group(20.5%) was higher than the non-booster group(32.4%), but was not found significantly. Vaccine efficacy was 29.6% in the epidemic area and 87.0% in the non-epidemic area (p<0.001). The IgG level and positive rate were significantly different between the two areas (median 10727 IU/ml, 98.9% in epidemic area; median 346 IU/ml, 85.9% in the non-epidemic area, p<0.001). However, the IgG level and positive rate between the measles-cases and non-cases were not significantly different. CONCLUSIONS: This outbreak took place in mostly vaccinated children. These results suggest that a reduction of herd immunity for immunity failure after vaccination may be one of the feasible factors related to the outbreak pattern in the two areas. The results of the IgG level and positive rate suggest that re-establishment of a normal value for IgG level and of a qualitative method for IgG are needed.; Summary

English Abstract

Seroprevalence of Measles Antibody and its Attributable Factors in Elementary Students of Routine 2-dose Schedule Era with Vaccination Record.: Geun Ryang Bae, Hyun Sul Lim, Un Yeong Goh, Byung Guk Yang, Young Taek Kim, Jong Koo Lee; J Prev Med Public Health. 2005;38(4):431-436.

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Abstract PDF: OBJECTIVES
We investigated the seroprevalence of the measles antibody and its attributable factors for the students who underwent routine 2-dose Schedule Era. METHODS: The subjects were 996 students of the national measles seroepidemiologic study in December 2000 who had vaccination records. We conducted a questionnaire survey and we performed serologic testing for the measles specific IgG by using an enzyme linked immunosorbent assay. RESULTS: The coverage for the first dose of the MMR vaccination at 12-15 months of age was 95.1% and the coverage for the second dose of MMR at 4-6 years of age was 35.0%. The proportion of subjects undergoing 2- doses of MMR decreased as the age of the subjects increased. The seropositive rate of the measles antibody was significantly high in the second dose vaccinees (93.5% in the second dose group, 84.7% in the non-second dose group, p< 0.001) and it was 72.0% in the 0-dose group, 85.4% in the 1-dose group and 93.7% in the 2-dose group (p< 0.001). Two point eight percent of the subjects had a past history of measles infection. On the multiple logistic regression analysis, the first and second dose (odds ratio, 8.54; 95% CI.=3.05-23.91), the first dose (odds ratio, 3.06; 95% CI.=1.20-7.81) and the outbreak in the year 2000 (odds ratio, 1.89; 95% CI.=1.24-2.88) were the significant factors for the eropositivity. CONCLUSIONS: Maintaining high coverage with a 2-dose vaccination program would be the decisive factor to prevent an outbreak of measles and to eliminate measles in Korea.; Summary

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