Mumps-Related Disease Burden in Japan: Analysis of JMDC Health Insurance Reimbursement Data for 2005-2017.

Journal of Epidemiology
Satoko OhfujiToshihiro Tanaka

Abstract

Mumps vaccination coverage is low in Japan, partly because of its voluntary nature. Although pediatric cases of mumps virus infection are captured by the National Epidemiological Surveillance of Infectious Diseases program under the Infectious Disease Law, there are currently no data regarding the occurrence of mumps and its complications in adults. We investigated the annual incidence rates of mumps and its complications based on health insurance reimbursement data for 5,209,660 individuals aged 0-64 years for 2005-2017, obtained from JMDC Inc., to estimate the mumps-related disease burden during this period. There were three mumps outbreaks (2006, 2010, and 2016) during 2005-2017. The annual incidence of mumps was highest in individuals aged 0-5 years (808-3,792 per 100,000 persons), followed by those aged 6-15 years (658-2,141 per 100,000 persons). The incidence of mumps was higher in females than in males (male/female ratio, 0.90). Among mumps-related complications, the overall incidence (per 1,000 mumps cases) was highest for orchitis (6.6), followed by meningitis (5.8), deafness (1.3), pancreatitis (0.5), and encephalitis (0.3). No cases of oophoritis were noted. The overall incidence of mumps-related complications was 2....Continue Reading

References

Feb 1, 1968·The New England Journal of Medicine·M R HillemanJ Stokes
Mar 18, 2008·Lancet·Anders HviidKathrin Mühlemann
Jan 15, 2010·BJU International·Niall F DavisJohn M Fitzpatrick

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