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[Cryptosporidiosis. Characterization of a new infection with special regard to water as the source of infection]. 1990

M Exner, and V Gornik
Hygiene-Institut des Ruhrgebiets, Gelsenkirchen, Fachbereich Umwelt- und Krankenhaushygiene.

Within the past few years, microorganisms of the Genus Cryptosporidium have been recognized as an important pathogen to humans. A possible mode of transmission is represented by the presence of Cryptosporidium-oocysts in water. Meanwhile several outbreaks of diarrheal illness caused by the contamination of drinking water by Cryptosporidium have been documented; an infection can be life-threatening for immunosuppressed patients. This article reviews the organism causing Cryptosporidiosis, his ecology, the clinical feature, the sources of infection and the epidemiology. The remarkable resistance of the oocysts to disinfectants, such like chlorine, their survival for a long time and the low infectious dose shows evidently that the conservative guidelines in treatment and quality control of drinking water should be discussed newly.

UI MeSH Term Description Entries
D007108 Immune Tolerance The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune
D003044 Coccidia A subclass of protozoans commonly parasitic in the epithelial cells of the intestinal tract but also found in the liver and other organs. Its organisms are found in both vertebrates and higher invertebrates and comprise two orders: EIMERIIDA and EUCOCCIDIIDA. Coccidias
D003457 Cryptosporidiosis Intestinal infection with organisms of the genus CRYPTOSPORIDIUM. It occurs in both animals and humans. Symptoms include severe DIARRHEA. Cryptosporidium Infection,Cryptosporidioses,Cryptosporidium Infections,Infection, Cryptosporidium
D003458 Cryptosporidium A genus of coccidian parasites of the family CRYPTOSPORIDIIDAE, found in the intestinal epithelium of many vertebrates including humans. Cryptosporidiums
D003967 Diarrhea An increased liquidity or decreased consistency of FECES, such as running stool. Fecal consistency is related to the ratio of water-holding capacity of insoluble solids to total water, rather than the amount of water present. Diarrhea is not hyperdefecation or increased fecal weight. Diarrheas
D004196 Disease Outbreaks Sudden increase in the incidence of a disease. The concept includes EPIDEMICS and PANDEMICS. Outbreaks,Infectious Disease Outbreaks,Disease Outbreak,Disease Outbreak, Infectious,Disease Outbreaks, Infectious,Infectious Disease Outbreak,Outbreak, Disease,Outbreak, Infectious Disease,Outbreaks, Disease,Outbreaks, Infectious Disease
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014867 Water A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Hydrogen Oxide
D015047 Zoonoses Diseases of non-human animals that may be transmitted to HUMANS or may be transmitted from humans to non-human animals. Zoonotic Spillover,Zoonotic Diseases,Zoonotic Infections,Zoonotic Infectious Diseases,Disease, Zoonotic,Disease, Zoonotic Infectious,Diseases, Zoonotic,Diseases, Zoonotic Infectious,Infection, Zoonotic,Infections, Zoonotic,Infectious Disease, Zoonotic,Infectious Diseases, Zoonotic,Spillovers, Zoonotic,Zoonotic Disease,Zoonotic Infection,Zoonotic Infectious Disease,Zoonotic Spillovers

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