[report on the first nationwide survey of the distribution of human parasites in china. 1. regional distribution of parasite species].a nationwide (taiwan province not included) survey of the distribution of human parasites in china during 1988-1992 was conducted under the auspices of the ministry of public health, with stratified masses randomly sampling. a total of 2,848 pilot sites in 726 counties with a population of 1,477,742 were surveyed, according to unified standard, unified diagnostic method and control quality. the overall infection rate of parasites was 62. 632%. among them, the infection rate was over 50% in 17 pr ...19947720194
[epidemiological investigation on an outbreak of amoebic dysentery in jiangshan city of zhejiang province].the investigation was carried out from 15 may to 10 june 2006 among diarrhea patients of two schools and periphery residents in hecun town, jiangshan city. stool samples were examined for entamoeba histolytica. water samples were taken for microbial analysis. 31 cases with e. histolytica were found,with 74.2% (23 cases) of students and preschool children. 9 cases were found in liuyi kindergarten and 8 cases in hecun central primary school with a prevalence of 7.4% and 0.65%, respectively. among ...200919856515
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