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Volume 7, Number 3—June 2001


Is High Prevalence of Echinococcus multilocularis in Wild and Domestic Animals Associated with Disease Incidence in Humans?

Bruno Gottstein*Comments to Author , Francis Saucy†, Peter Deplazes‡, Juerg Reichen*, Georges Demierre§, Andre Busato*, Christian Zuercher*, and Paul Pugin¶
Author affiliations: *University of Bern, Bern, Switzerland; †University of Fribourg, Fribourg, Switzerland; ‡University of Zürich, Zürich, Switzerland; §Medecin Cantonal, Fribourg, Switzerland; ¶Centre de Transfusion Sanguin, Hôpital Cantonal, Fribourg, Switzerland

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Table 2

Prevalence of Echinococcus multilocularis in dogs and cats, 1996a

Animal No. of animals
tested No. positive for
taeniid eggs No. positive by
PCR No. positive by
ELISA Final E. multilocularis
positive diagnosis (%)
Feral dogs 86 7b 6b,c 6b,c 6/86 (7)
Cats 33 1 1 1 1/33 (3)

aPCR was performed directly on eggs following a taeniid egg isolation (9).
bOne dog had a borderline coproantigen reactivity. Subsequent investigations provided a negative Echinococcus-PCR by the presence of taeniid eggs. Thus, final test interpretation did not indicate E. multilocularis infection.
cPCR- and copro-Ag-positivity refers to all the same animals. The one dog exhibiting a borderline copro-Ag-reactivity is not in these group of animals.

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