Epidemiological trend of hookworm infection in Jiangxi Province
To analyze the epidemic trend and current situation of hookworm disease in Jiangxi Province,all for providing a basis for formulating countermeasures of hookworm disease.The survey data of hookworm disease in Ji-angxi Province in three national sampling surveys of human parasitic diseases(1989,2002 and 2015)and the surveil-lance data of hookworm infection in the national monitoring sites of soil nematode disease in Jiangxi Province from 2016 to 2020 were analyzed,respectively.The Kato-katz smear method was used in the survey and surveillance to ex-amine the hookworm infection,and the test-tube filter paper culture method was used to identify hookworm species.The results showed that the infection rate of hookworm in Jiangxi were 17.63％(9 176/52 042)in 1989,7.39％(1 490/20 154)in 2002 and 4.63％(1 094/23 606)in 2015 with the downtrend as a whole(x2=3 112.64,P＜0.05).The in-fection rates in female in 1989 and 2015(18.68％and 5.59％)were higher than that in male(16.60％and 3.88％)(x2=38.71,28.85,both P＜0.05).As for the age distribution of infection in 3 national surveys,the infection rate in age group of 50-59 in 1989 was the highest(27.33％),and the rates in ≥ 60 age group in 2002 and 2015 were the highest accordingly(12.37％and 10.06％).The dominant species of hookworm in 1989 was Ancylostoma duodenale,while Necator americanus becoming dominant in 2002 and 2015.The infection rates of hookworm from 2016 to 2020 in Jiangxi were 1.04％(116/11 126),1.09％(122/11 203),0.63％(70/11 183),1.00％(112/11 197)and 0.62％(70/11 240),respectively and continued to decline(x2=44.85,P＜0.01).In the gender distribution,the infection rate of female(0.97％,269/27 718)was still higher that of male(0.78％,221/28 231)(x2=5.98,P＜0.05).In the age distribution,the infection rate in ≥ 60 age group was still the highest(1.51％,235/15 594).The analysis results indicated that the infection rate of hookworm shows a continuous decline trend,and maintains a low epidemic state in Jiangxi.Rural women and high age groups are the focus of hookworm control.
HookwormEpidemiological trendCurrent situationJiangxi Province
NETL
NSTL
万方数据
