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Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Nat+Rev+Microbiol 2008 ; 6 (12): 904-12 Nephropedia Template TP
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Super-Shedding and the Link Between Human Infection and Livestock Carriage of Escherichia Coli O157 #MMPMID19008890
Chase-Topping M; Gally D; Low C; Matthews L; Woolhouse M
Nat Rev Microbiol 2008[Dec]; 6 (12): 904-12 PMID19008890show ga
There is good laboratory and field evidence that some cattle excrete far more Escherichia coli O157 than others; these are known as 'super-shedders'. Super-shedding has important consequences for the epidemiology of E. coli O157 in cattle - its main reservoir - and for the risk of human infection, particularly via environmental exposure. Ultimately, control measures targeted at super-shedders may prove to be highly effective. At present, there is limited understanding of both the nature of and the determinants of super-shedding. However, super-shedding has been observed to be associated with colonization at the terminal rectum and it may be also more probable with certain pathogen phage types. More generally, epidemiological evidence suggests that super-shedding may turn out to be important in other bacterial and viral infections.