Many new marine parasite species are added every year. Still, in some places, mainly tropical regions, parasites have been little studied. An exhaustive review of the indexed publications where reported environments Costa Rica was carried out. The history research on this region is also reviewed. A total 147 as 61 different hosts. Most these correspond to trematodes and cestodes, found digestiv...

the intestinal parasitic infection is one of the major health problems in northern parts of iran, especially in rural areas. in order to determine the prevalence of intestinal parasites and the effect of some factors such as age, sex, region on the prevalence of intestinal parasites, a study was carried out in rural areas of tonekabon, caspian littoral, from jul. 1991 to feb. 1992. a total of 2...

There is a large diversity of eukaryotic symbionts copepods, dominated by epizootic protists such as ciliates, and metazoan parasites. Eukaryotic endoparasites, copepod-associated bacteria, viruses are less well known, partly due to technical limitations. However, new molecular techniques, combined with range other approaches, provide complementary toolkit for understanding the complete symbiom...

In this study, 180 aut of 986 primary school children of Absard were evaluated for the presence of intestinal parasitic infections. Direct smears of one stool sample for each public were used in this study. The samples were selected from one urban and two rural areas. Afghan immigrants were also included in the study. Among study population, 69 % were infected by intestinal parasites. The most...

this survey was carried out from june to october 1990, in order to evaluate the prevalence of intestinal parasites in the residents. a total of 2227 persons were selected from 44 villages by using linear systematic sampling method. the samples of stool from these people were examined by formalin - ether concentration procedure. the collected data were analyzed by spss package. the result showed...

Food handlers could be major sources of intestinal parasites transmission (specially Giardia lamblia, Entamoeba histolytica) in case of not observing the hygienic rules. To determine the prevalence of intestinal parasites' infection in food handlers in Nowshahr and Chalous, 1373-74, 411 food handlers in three major groups including: 1) chelokababi(120), 2) sandwich makers(61), and 3) groceries,...