Sapovirus Outbreaks in Long-Term Care Facilities, Oregon and Minnesota, USA, 2002–2009 - Vol. 18 No. 5 - May 2012 - Emerging Infectious Disease journal - CDC
Volume 18, Number 5—May 2012
Dispatch
Sapovirus Outbreaks in Long-Term Care Facilities, Oregon and Minnesota, USA, 2002–2009
Article Contents
Abstract
We tested fecal samples from 93 norovirus-negative gastroenteritis outbreaks; 21 outbreaks were caused by sapovirus. Of these, 71% were caused by sapovirus genogroup IV and 66% occurred in long-term care facilities. Future investigation of gastroenteritis outbreaks should include multi-organism testing.Norovirus and sapovirus are separate genera of the family Caliciviridae. Sapovirus was first detected in 1977 as the cause of a gastroenteritis outbreak in a home for infants in Sapporo, Japan (4), and was thereafter reported primarily among young children with acute gastroenteritis (5). After sapovirus RT-PCR was developed (6), sapovirus outbreaks were discovered in LTCFs and other settings populated by adults (7–9). Sapovirus genogroups I, II, IV, and V (GI, GII, GIV, and GV, respectively) infect humans (10). This report describes sapovirus outbreaks in Oregon and Minnesota, USA, during 2002–2009.
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