[Endemic situation of schistosomiasis after transmission-interrupted in debao county: a 25-year surveillance].
OBJECTIVE
To understand the dynamics of schistosomiasis prevalent factors after the transmission interruption in Debao Country, so as to provide the evidence for establishing a control strategy.


METHODS
By using the system sample method combined with environmental sample method, the Oncomelania hupensis snail situation was surveyed through the general survey, round survey and selection check. Schistosomiasis cases were detected from local population and floating population by serological tests and stool tests.


RESULTS
Four residual snail foci were found in a village from 1988 to 1991, covering an area of 1024 m2, and 853 snails were dissected but no positive snail was discovered. No schistosomiasis patient was detected among 42,641 persons. No positive was found from 3165 cattle and 2063 wild mice.


CONCLUSIONS
The schistosomiasis situation is stable in Debao County, but the surveillance of schistosomiasis still should be continued.
Debao Country Station of Schistosomiasis Control, Guangxi Zhuang Autonomous Region, Debao 533702, China.
Jian-zhong
JZ
Lu
Guangxi Zhuang Autonomous Region Center for Disease Control and Prevention, China.
Zhi-hua
ZH
Jiang
D000293:Adolescent; D000818:Animals; D002417:Cattle; D002648:Child; D002681:China / Q000453:epidemiology; D004197:Disease Reservoirs; D006801:Humans; D051379:Mice; D012552:Schistosomiasis / Q000517:prevention & control* / Q000635:transmission; D012908:Snails; D013997:Time Factors