Epidemiologic features of mumps in Taiwan from 2006 to 2011: a new challenge for public health policy

Chian-Ching Chen1, Chien-Chih Lu, Bo-Hua Su

  • 1Department of Business Administration, National Taiwan University of Science and Technology, Taipei, China.

Abstract

Insights

Most mumps cases in Taiwan involved individuals with no or one dose of the measles-mumps-rubella (MMR) vaccine. Implementing a second MMR vaccine dose is crucial for mumps elimination.

Area of Science:

  • Epidemiology
  • Vaccinology

Background:

  • Measles-mumps-rubella (MMR) vaccine's second dose adoption in Taiwan began in 2001.
  • Mumps cases persisted despite the introduction of the second MMR vaccine dose.

Purpose of the Study:

  • To assess the epidemiology of mumps in Taiwan.
  • To evaluate the effectiveness of the current mumps vaccination policy.

Main Methods:

  • Analysis of mumps case data from the Taiwan Centers for Disease Control (Taiwan CDC) from 2006 to 2011.
  • Examination of vaccination status, incidence rates, and demographic factors.

Main Results:

  • 6612 mumps cases reported between 2006-2011.
  • 62% of cases had received one or no MMR vaccine dose.
  • Higher incidence in males and children aged 5-6 years; increased risk of complications with fewer than two doses.

Conclusions:

  • Over 60% of mumps cases in Taiwan were unvaccinated or received only one MMR dose.
  • Biological monitoring and a second MMR vaccine dose are necessary for mumps elimination.

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