The hot spot and epidemiologic characteristics of hand, foot and mouth disease in Jinan municipality, 2009-2016 / 中华实验和临床病毒学杂志

ABSTRACT

Objective@#To investigate the hot spots and epidemiologic characteristics of hand, foot and mouth disease (HFMD) in Jinan municipality from 2009 to 2016.@*Methods@#Disease reports of HFMD in Jinan from 2009-2016 were collected and analyzed with ArcGis 10.2 to show the hot spot in different villages and towns, as well as clustering analysis and descriptive epidemiology to show epidemiologic characteristics.@*Results@#A total of 89 486 HFMD cases were reported and the reported annual incidence rate was 160.94/100000 during the 7-year period, which increased year by year, and within the whole city, each county was at a higher epidemic level; the curve of incidence is unimodal and the incidence peak occurred mostly between May and August, especially in June; 115 severe cases were reported and the ratio was 0.13%. Of the reported cases, 81.51% were between 1 to 4 years old; 60.36 % were children living scattered. The hot spots were like a circle surrounding the core areas, showing a tendency of increase; the proportion of EV71, CVA16 and other enteroviruses were 33.67%、37.22%and 29.09%, respectively, and they appeared in turn, but severe cases were mostly affected by EV71.@*Conclusions@#The HFMD in Jinan is in a highly prevalent level, with low ratio of severe cases. Seasonal(high in summer) and unimodal; more common among children between 1 to 4 years old, living scatted and in urban and rural linking areas, with the tendency of increasing of hot spots; prevalent pathogens appear in turn.