Epidemiology and Genotype Analysis of Sapovirus Associated with Gastroenteritis Outbreaks in Alberta, Canada: 2004–2007
Open Access
- 15 February 2009
- journal article
- Published by Oxford University Press (OUP) in The Journal of Infectious Diseases
- Vol. 199 (4), 547-551
- https://doi.org/10.1086/596210
Abstract
This study describes the epidemiology and circulating strains of sapovirus associated with gastroenteritis outbreaks in Alberta, Canada, from 2004 to 2007. Sapovirus was an important cause of gastroenteritis outbreaks, accounting for 43 (17.6%) of 244 outbreaks in which all samples tested were negative for norovirus. All 4 human sapovirus genotypes, GI, GII, GIV, and GV, were found in samples during these outbreaks. The greatest amount of sapovirus-associated outbreak activity occurred in 2007, after the emergence of genotype GIV in December 2006. The majority of sapovirus-associated outbreaks in Alberta during this period (27 [62.8%] of 43) occurred in hospitals, community long-term care facilities, and senior lodges. Adults >65 years of age were the age group most commonly affected.Keywords
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