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Volume 18, Number 5—May 2012

Dispatch

Pigs as Natural Hosts of Dientamoeba fragilis Genotypes Found in Humans

Simone M. CacciòComments to Author , Anna Rosa Sannella, Elisabetta Manuali, Fabio Tosini, Marco Sensi, Daniele Crotti, and Edoardo Pozio
Author affiliations: Istituto Superiore di Sanità, Rome, Italy (S.M. Cacciò, A.R. Sannella, F. Tosini, E. Pozio); Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche, Perugia, Italy (E. Manuali, M. Sensi, D. Crotti)

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Table 1

Prevalence of Dientamoeba fragilis protozoa in pig and human fecal samples after microscopy and Giemsa staining, Italy, 2010–2011

Farm Herd type No. samples positive/no. tested*
Piglet Fattening pig Sow Human
1 Weaner production 10/10 NA 1/10 NA
2 Farrow-to-finish 9/10 NA 3/10 0/4
3 Farrow-to-finish 10/10 7/10 0/10 2/8
4 Farrow-to-finish 1/10 NA 0/10 NA
5 Farrow-to-finish 4/10 NA 0/10 0/2
6 Farrow-to-finish 4/10 NA 1/10 NA
7 Fattening NA NA 3/4 NA
8 Fattening 10/10 NA NA 2/3
9 Farrow-to-finish 4/4 4/4 NA 0/4
Total 52/74 11/14 8/64 4/21

*NA, sample not available.

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