Surveillance on schistosomiasis in fishermen of Yangzhong City during 2008-2014
Objective To analyze the results of surveillance on schistosomiasis in fishermen of Yangzhong City from 2008 to 2014,so as to provide the evidence for prevention and control of schistosomiasis.Methods Monitoring on snail:the method of systematic sampling combined with environmental sampling was adopted to collect snails along the river in the city center where fishermen gathered each year,then the crushed snails were examined under microscopy.Epidemic monitoring:the methods of serology and etiology of the disease were adopted to examine for the disease in all fishermen along the river in the city center each year.The colloidal dye method,dipstick dye immunoassay kit for schistosome antibody (IgG) was used for serologic screening,the serological positive stool samples were then collected for hatch-eggs checking.Prevention and control measures of implementation:the snail was controlled with molluscicide-spraying,the positive people of serology and etiology was treated with praziquantel,the flyer (painting) and protective ointment were distributed,warning signs were set up,and propaganda slogan posted,etc.Results Monitoring on snail:A total of 18 244 frames was surveyed from 2008 to 2014 among which 6 515 frames with living snails,the occurrence rate od frames with living snails was 35.71％(6515/18244).A total of 19 255 living snails was captured,the annual average densities of living snail were 1.89,1.33,1.57,0.55,1.42,、0.97,0.52 snail/0.1 m2 respectively from 2008 to 2014,the positive snails were found only in 2008 and 2009,19 positive snails were seized.Epidemic monitoring:from 2008 to 2014,serological positive rates were 5.45％,7.27％,4.10％,7.27％,3.70％,4.20％,2.61％ respectively;36 people were subjected to etiology examination,no positive found.From 2008 to 2014,766.63 ha(1 ha=10 000 m2) of oncomelania were killed while the 36 serologically positive people were treated with praziquantel.1 686 flyers (painting) and 2 632 protective ointment were distributed.177 warning signs were set up.Preach on prevention of schistosomiasis was given for 182 times.Conclusion The effect of prevention and control of schistosomiasisin fishermen of Yangzhong City was promising,but the comprehensive control must be strengthened in the distribution center,and new measures of prevention and control that are suitable for local people still need to be explored.
FishermenSchistosomiasisSurveillanceYangzhong City
NETL
NSTL
万方数据
维普
