Volume 18, Number 5—May 2012
Dispatch
Sapovirus Outbreaks in Long-Term Care Facilities, Oregon and Minnesota, USA, 2002–2009
Table 2
Descriptive epidemiology of 21 sapovirus outbreaks, Oregon and Minnesota, USA 2002–2009*
Infection and state | Outbreak no. | Setting | Transmission | Outbreak features |
No. cases‡ | Symptoms, no. patients |
|||
---|---|---|---|---|---|---|---|---|---|
Date | No. days† | Vomiting§ | Diarrhea§ | Fever¶ | |||||
Sapovirus only | |||||||||
MN | 2002–438 | Grade school | Person-to-person | 2002 Apr | 11 | 15 | NA | NA | NA |
MN | 2002–439 | Long-term care | Person-to-person | 2002 Apr | 1 | 34 | NA | NA | NA |
MN | 2003–644 | Grade school | Person-to-person | 2003 Dec | 8 | 17 | NA | NA | NA |
OR | 2004–066 | Long-term care | Person-to-person | 2003 Mar | 17 | 44 | 23 | 44 | 8 |
MN | 2006–924 | Long-term care | Person-to-person | 2006 Feb | 13 | 24 | 9 | 24 | 11 |
OR | 2007–013 | Long-term care | Person-to-person | 2007 Jan | 15 | 12 | 7 | 9 | NA |
OR | 2007–023 | Long-term care | Person-to-person | 2007 Jan | 7 | 35 | 16 | 33 | 3 |
OR | 2007–028 | Long-term care | Person-to-person | 2007 Jan | 9 | 12 | 7 | 5 | 6 |
OR | 2007–039 | Long-term care | Person-to-person | 2007 Jan | 22 | 14 | 8 | 12 | 2 |
OR | 2007–046 | Long-term care | Person-to-person | 2007 Jan | 5 | 15 | 11 | 15 | 0 |
OR | 2007–086 | Long-term care | Person-to-person | 2007 Feb | 13 | 8 | 6 | 7 | NA |
OR | 2007–228 | Long-term care | Person-to-person | 2007 Nov | 10 | 34 | 14 | 27 | NA |
OR | 2008–109 | Long-term care | Person-to-person | 2008 Apr | 28 | 24 | 10 | 21 | NA |
MN | 2008–1308 | Cruise ship | Foodborne suspected | 2008 Aug | 1 | 5 | 3 | 5 | NA |
MN | 2008–1327 | Bed and breakfast | Foodborne suspected | 2008 Nov | 3 | 7 | 2 | 7 | 2 |
OR | 2009–146 | Psychiatric hospital | Person-to-person | 2009 Jul | 9 | 13 | 9 | 11 | NA |
OR | 2009–167 | Long-term care | Person-to-person | 2009 Aug | 11 | 22 | 7 | 18 | NA |
Sapovirus and norovirus | |||||||||
OR | 2007–001 | Prison | Person-to-person | 2006 Dec | 23 | 154 | 70 | 119 | 1 |
OR | 2007–221 | Long-term care | Person-to-person | 2007 Nov | 16 | 34 | 8 | 29 | NA |
Sapovirus and adenovirus | |||||||||
OR | 2007–091 | Long-term care | Person-to-person | 2007 Feb | 13 | 25 | 15 | 25 | NA |
OR | 2008–128 | Restaurant | Foodborne suspected | 2008 Apr | 4 | 26 | 10 | 25 | NA |
*MN, Minnesota; OR, Oregon; NA, data were not collected or could not be analyzed.
†Median no. days: 15 (range 1–28 days).
‡Laboratory-confirmed and epilinked cases with systematically collected symptoms; these are not complete case counts. Median no. cases: 34 (range 5–44 cases).
§Of 269 patients, vomiting was reported for 132 (49%) and diarrhea for 238 (88%).
¶Of 141 patients, fever was reported for 32 (23%).