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Epidemiologic features of mumps in Taiwan from 2006 to 2011: a new challenge for public health policy
Chian-Ching Chen, Chien-Chih Lu, Bo-Hua Su, Kow-Tong Chen
Taipei, China
Author Affiliations: Department of Business Administration, National Taiwan University of Science and Technology, Taipei, China (Chen CC); Department of Thoracic Surgery, Chi-Mei Medical Center, Liouying Campus, Tainan, China (Lu CC); Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, China (Su BH, Chen KT); Department of Occupational Medicine, Tainan Municipal Hospital, Tainan, China (Chen KT)
Corresponding Author: Kow-Tong Chen, MD, Department of Occupational Medicine, Tainan Municipal Hospital, No. 670, Chongde Road, East District, Tainan, China (Tel: +886-6-2609926; Fax: +886-6-2606351; Email: kowton@ms81.hinet.net; ktchen@mail.ncku.edu.tw)
doi: 10.1007/s12519-014-0525-6
Background: The adoption of a second dose of the measles-mumps-rubella (MMR) vaccine among Taiwanese school children began in 2001. However, during that time, mumps cases continued to occur. The purpose of the present study was to assess the epidemiology and vaccination policy for mumps in Taiwan.
Methods: We examined the data on mumps cases collected by the Taiwan Centers for Disease Control (Taiwan CDC) between 2006 and 2011.
Results: During the 6-year study period, a total of 6612 cases of mumps were reported to the Taiwan CDC. Of the patients with known vaccination status, 62% received one dose of the MMR vaccine or no vaccine. The incidence of mumps ranged from 4.18 to 5.28 per 100 000 population and peaked in 2007. Males had a higher incidence of mumps than females (5.9 vs. 3.7 per 100 000 population; P=0.024). Children between 5 and 6 years of age had the highest incidence of mumps, and those 20 years and older had the lowest incidence. Compared to those who received two doses of the MMR vaccine, patients who were not vaccinated or received a single dose of the vaccine had a higher risk of suffering from complications and/or hospitalization.
Conclusions: In Taiwan, more than 60% of mumps cases received either no dose or one dose of the MMR vaccine. Monitoring mumps through biological testing and instituting a second dose of the MMR vaccine for children is needed for the elimination of mumps in Taiwan.
World J Pediatr 2015;11(2):141-147
Key words: epidemiology;
incidence;
measles-mumps-rubella vaccine;
mumps
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