AbstractNext-generation sequencing and metagenomics have revolutionized the discovery of novel viruses. In recent years, three novel protoparvoviruses have been discovered in fecal samples of humans: bufavirus (BuV) in 2012, tusavirus (TuV) in 2014, and cutavirus (CuV) in 2016. BuV has since been studied the most, disclosing three genotypes that also represent serotypes. Besides one nasal sample, BuV DNA has been found exclusively in diarrheal feces, but not in non-diarrheal feces, suggesting a causal relationship. According to both geno- and seroprevalences, BuV appears to be the most common of the three novel protoparvoviruses, whereas TuV DNA has been found in only a single fecal sample, with antibody detection being equally rare. Moreover, the TuV sequence is closer to those of non-human protoparvoviruses, and so the evidence of TuV being a human virus is thus far insufficient. Interestingly, besides in feces, CuV has also been detected in skin biopsies of patients with cutaneous T-cell lymphoma and a patient with melanoma, while all other skin samples have tested PCR negative. Even if preliminary disease associations exist, the full etiological roles of these viruses in human disease are yet to be resolved. View Full-Text
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Väisänen, E.; Fu, Y.; Hedman, K.; Söderlund-Venermo, M. Human Protoparvoviruses. Viruses 2017, 9, 354.
Väisänen E, Fu Y, Hedman K, Söderlund-Venermo M. Human Protoparvoviruses. Viruses. 2017; 9(11):354.Chicago/Turabian Style
Väisänen, Elina; Fu, Yu; Hedman, Klaus; Söderlund-Venermo, Maria. 2017. "Human Protoparvoviruses." Viruses 9, no. 11: 354.
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