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The authors present the actual review on several publications concerning the molecular characterizations of the viruses found in parasitic protozoa such as Giardia, Trichomonas, Leishmania and Entamoeba histolytica. All of the RNA viruses observed in parasitic protozoa showed several similarities and did not considerably differ from the viruses found in simple eukaryotic cells; they closely correspond...
The data presented in the paper indicate a probable lack of host specificity in Giardia and a number of species lower than that described to date. The common opinion is that three morphological groups should be recognized, represented by G. intestinalis (= G. duodenalis), G. muris and G. agilis. The diagnostics within these groups should be based on analysis of their isoenzymes or DNA fragments, and...
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