prevalence survey
4.A prevalence survey of trichinosis in workers employing oneself on food health made in Xinye County, Henan Province showed a positive rate of 5.7% by McAb—IDAS and 5.9% by PcAb—DDAS.
5.Calculated DALY of AUD with the prevalence derived from the survey and the mortality provided by Liaoning provincial center for disease control and prevention (LNCDC) according to the method of GBD (Global Burden of Disease).
6.Prevalence estimates for IBS from survey in Western countries are 4.4% to 22%. There are few studies of prevalence and bowel patterns of IBS in China, especially among the university students.
8.A SURVEY ON PREVALENCE OF PARAGONIMIASIS IN NORTHEAST AND SOUTH OF JIANGXI PROVINCE

