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Updated: Feb 15, 2026
Merkel Cell Polyomavirus Infection and Detection
Published on: February 7, 2019
MW Polyomavirus in diarrheal Italian infants
Massimiliano Bergallo1, Ilaria Galliano2, Paola Montanari2
1School of Medicine, Department of Public Health and Pediatric Sciences, University of Turin, Turin, Italy - massimiliano.bergallo@unito.it.
Background:
MXPyV, like MWPyV, was identified in stool samples from children suffering diarrhea in Mexico. In this study, we used a home-made real time PCR to investigate the presence of this novel viruses in stool specimen collected from under-five-year-old children with gastroenteritis.
Methods:
A total of 192 fecal specimens previously screened for RV, ADV, NoV, HPeV and SaV, were tested for MWPyV with Taqman real time PCR.
Results:
The most detected virus was NoV GII (33.8%), followed by RV (21.3%), SaV (10.9%), HPeV (8%), NoV GI (6.7%) and Adv (1%). Real time PCR detected MWPyV in 1/192 (0.5%) patients.
Conclusions:
We detected MWPyV in 0.5% of fecal specimens collected from pediatric patients suffering gastroenteritis which is smaller than the previously reported in literature (4.4% in Australia and 12% Mexico).
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