The results of the gastroscopic examinations on 3973 patients of the aged,pre-aged,middle-aged,and adolescent groups were analyzed.It was found that the incidences of chronic atrophic gastritis (CAG),gastric cancer(GC),and gastric ulcer(Gu) in the aged group were 26.15%,16%,and 15.0% respectively,and that of intestinal metaplasia(IM) and dysplasia(DP) was 30.67%,all of which were higher than those of the pre-aged,middle-aged and adolescent groups(P

Objective To evaluate the effects of measures on the schistosomiasis control after the earth quake in Lushan County so as to provide the experiences for post-disaster schistosomiasis control. Methods The measures taken in schistosomi-asis control after the earth quake were reviewed in Lushan County in 2013 and the epidemic situation of schistosomiasis was in-vestigated and the results were analyzed. Results The schistosomiasis control in floating population and the control of Oncome-lania hupensis snails were enhanced and no schistosome infections were found in both human and livestock. No infected snails and infested water were found. Conclusion The measures of schistosomiasis control after the disaster are effective in Lushan County and the goal to prevent major plague after the earth quake is achieved.