Key result
Both norovirus and sapovirus frequently appear in swine feces with progressing sapovirus genetic diversity.
Why the study?
A molecular biological survey was needed to understand the circulation and genetic diversity of porcine norovirus and sapovirus in swine in Toyama Prefecture, Japan.
Population
Swine fecal samples in Toyama Prefecture, Japan during fiscal year 2008
Design
Molecular biological survey
Follow-up
Fiscal year 2008
Authors
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Porcine sapovirus diversification may signal zoonotic risk; leaves open human transmission implications pending prospective studies.
Cross-Sectional
The study demonstrates ongoing genetic diversification of porcine sapovirus in the swine population in Japan, including strains genetically related to human sapovirus.
Nakamura et al. (2010) conducted a cross-sectional in Porcine norovirus and sapovirus infection. Norovirus and sapovirus was evaluated on Detection and genetic diversity of porcine norovirus and sapovirus. Both norovirus and sapovirus were frequently detected in swine fecal samples, with high genetic diversity of porcine sapovirus progressing in the swine population.
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