Involvement of Insects in the Dissemination of Cryptosporidium in the Environment

Cryptosporidium is a protozoan pathogen that cause prolonged diarrhea in host mammals. In humans, children and immunocompromised people are mainly susceptible. Oocysts are the infective stages responsible for transmission of the Cryptosporidium organisms and infected hosts with active diarrhea are p...

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Published in:The Journal of eukaryotic microbiology 2001-06, Vol.48 (s1), p.36s-36s
Main Authors: FOLLET-DUMOULIN, ANNE, GUYOT, KARINE, DUCHATELLE, SYLVIE, BOUREL, BENOIT, GUILBERT, FREDERIC, DEI-CAS, EDUARDO, COSSET, DIDIER, CAILLIEZ, JEAN-CHARLES
Format: Article
Language:English
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Summary:Cryptosporidium is a protozoan pathogen that cause prolonged diarrhea in host mammals. In humans, children and immunocompromised people are mainly susceptible. Oocysts are the infective stages responsible for transmission of the Cryptosporidium organisms and infected hosts with active diarrhea are particularly involved in the environment contamination. Synanthropic insects, such as houseflies are recognized as transport hosts for a variety of infectious micro-organisms or viral pathogens for humans. There is a phoretic association between some insects and Cryptosporidium. Flies are thus excellent carriers of oocysts on their body surfaces as well as in their gut. In our investigations, the sheep blowfly Lucilia sericata (Diptera: Calliphoridae) was chosen as a model for the transport of Cryptosporidium. The objective was to know if the larval stages of the flies breeding or having access to C. parvum-contaminated meat, will mechanically carry the C. parvum oocysts in their digestive tracts.
ISSN:1066-5234
1550-7408
DOI:10.1111/j.1550-7408.2001.tb00445.x