Pediatr Infect Vaccine.  2015 Apr;22(1):1-6. 10.14776/piv.2015.22.1.1.

An Outbreak of Mumps in a High School, Seoul, 2013

• Kang HR
• Kim SY
• Cha HH
• An YM
• Park IA
• Kang HJ
• Eun BW

• KMID: 1791510
• DOI: http://doi.org/10.14776/piv.2015.22.1.1

Abstract

PURPOSE
This study investigated an outbreak of mumps affecting students in a high school (S high school) in Seoul, with an evaluation of the diagnostic utility of the mumps polymerase chain reaction (PCR) assay.
METHODS
S high school students that presented to health care providers with mumps symptoms between April 2013 and July 2013 were surveyed for the monthly distribution of symptom onset and their grade level. Mumps PCR assays were performed using buccal swabs from some of these students.
RESULTS
During the survey period, 77 students presented with suspected cases of mumps. The monthly distribution of symptom onset was as follows: one in April, 17 in May, 54 in June, and five in July. With regard to grade level, 26 students were in their first year, 28 were in their second year, and 23 were in their third year. Of the 18 students tested with PCR assays, five had positive results. Samples were collected within 3 days of symptom onset in 15 of the 18 students, and positive PCR results were obtained in five of these 15 students. The PCR results of the remaining three students from whom samples were collected more than 3 days after the onset of symptoms were negative (P=0.24).
CONCLUSIONS
We evaluated the epidemiological aspects of an outbreak of mumps in a high school. Mumps PCR might be epidemiologically useful if performed within 3 days of the onset of symptoms in suspected cases.

Keyword

Mumps; Outbreaks; Adolescent; Polymerase Chain Reaction

MeSH Terms

Adolescent
Disease Outbreaks
Health Personnel
Humans
Mumps*
Polymerase Chain Reaction
Seoul

Figure

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  Fig. 1. Monthly and per school year distribution of mumps notified cases in 5 high school.

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  Fig. 2. Age distribution of mumps notified cases at Eulji General Hospital. ∗Ten out of 29 male cases were the students of S high school.

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