Search results for "genogroups"
showing 2 items of 2 documents
Norovirus GII.4/Sydney/2012 in Italy, Winter 2012–2013
2013
To the Editor: Noroviruses (NoVs) are the major cause of acute gastroenteritis in children and adults; they are responsible for sporadic cases and outbreaks of gastroenteritis in various epidemiologic settings. NoVs can be classified genetically into at least 5 genogroups, GI to GV (1). Although >30 genotypes within genogroups GI, GII, and GIV can infect humans (2), a single genotype, GII.4, has been associated with most NoV-related outbreaks and sporadic cases of gastroenteritis worldwide (3). GII.4 NoV strains continuously undergo genetic/antigenic diversification and periodically generate novel strains through accumulation of punctate mutations or recombination. New GII.4 variants emerge…
Seroprevalence of Norovirus Genogroup IV Antibodies among Humans, Italy, 2010–2011
2014
Antibodies specific to genogroup IV identified in human specimens suggest zoonotic exposure.