Abstract
Mumps presents a serious threat to public health in China. We conducted a descriptive analysis to identify the epidemiological characteristics of mumps in Shandong Province. Spatial autocorrelation and space-time scan analyses were utilized to detect spatial-temporal clusters. From 2005 to 2014, 115745 mumps cases were reported in Shandong, with an average male-to-female ratio of 1.94. Mumps occurred mostly in spring (32.17% of all reported cases) and in children aged 5 to 9 (40.79% of all reported cases). The Moran’s I test was significant and local indicators of spatial autocorrelation (LISA) analysis revealed significant spatial clusters with high incidence. The results showed that the mid-west of Shandong Province and some coastal regions (Qingdao City and Weihai City) were high-risk areas, particularly in the center of the Jining City and the junction of Dongying City, Binzhou City and Zibo City. The results could assist local and national public health agencies in formulating better public health strategic planning and resource allocation.
Highlights
As an acute respiratory and viral member in the paramyxovirus family, mumps is identified by the symptom–a nonspecific precursor of fever, accompanied with swollen and painful glands in the neck[1]
We aimed to investigate the spatial epidemiology of mumps in Shandong Province, a coastal province of North-Central China
From 2005 to 2014, 115745 mumps cases were reported in Shandong Province–39312 females and 76433 males
Summary
As an acute respiratory and viral member in the paramyxovirus family, mumps is identified by the symptom–a nonspecific precursor of fever, accompanied with swollen and painful glands in the neck[1]. This infection in most cases is mild, numerous clinical consequences may occur with complications, such as deafness, mastitis, pancreatitis, oophoritis, and meningitis (up to 15% of cases)[2,3]. An increasing trend was observed in China from 2005–201013 when the annual incidence rate of mumps was 20 per 100,000 to an increase in 30 per 100,000 during 2011–2012. Based on the strategies above, we could characterize geographic distribution patterns of mumps in Shandong Province during 2005–2014
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