Norovirus: Difference between revisions
From IDWiki
(→) |
(→) |
||
| Line 1: | Line 1: | ||
==Background== |
==Background== |
||
===Virology=== |
===Virology=== |
||
| + | |||
| − | * |
+ | *Member of the ''[[Caliciviridae]]'' family of positive-sense single-stranded RNA viruses |
==Clinical Manifestations== |
==Clinical Manifestations== |
||
| + | |||
| − | * |
+ | *Incubation period of [[Usual incubation period::24 to 48 hours]] |
| − | * |
+ | *Nausea and vomiting followed by profuse diarrhea |
| − | * |
+ | *Illness lasts 12 to 72 hours |
| − | * |
+ | *May have low-grade fevers |
==Management== |
==Management== |
||
| + | |||
| − | * |
+ | *Supportive care and appropriate isolation and outbreak management |
==Outbreak Management== |
==Outbreak Management== |
||
===Kaplan criteria=== |
===Kaplan criteria=== |
||
| + | |||
| − | * |
+ | *Identify outbreaks of gastroenteritis caused by norovirus without specific viral testing[[CiteRef::turcios2006re]] |
| − | * |
+ | *The criteria are: |
| − | ** |
+ | **Vomiting in more than half of affected patients |
| ⚫ | |||
| − | ** |
+ | **Mean or median incubation period between 24 and 48 hours |
| ⚫ | |||
| − | ** |
+ | **No bacterial pathogen identified in stool |
[[Category:RNA viruses]] |
[[Category:RNA viruses]] |
||
Revision as of 17:09, 10 August 2020
Background
Virology
- Member of the Caliciviridae family of positive-sense single-stranded RNA viruses
Clinical Manifestations
- Incubation period of 24 to 48 hours
- Nausea and vomiting followed by profuse diarrhea
- Illness lasts 12 to 72 hours
- May have low-grade fevers
Management
- Supportive care and appropriate isolation and outbreak management
Outbreak Management
Kaplan criteria
- Identify outbreaks of gastroenteritis caused by norovirus without specific viral testing1
- The criteria are:
- Vomiting in more than half of affected patients
- Mean or median incubation period between 24 and 48 hours
- Mean or median duration of illness between 12 and 60 hours
- No bacterial pathogen identified in stool
References
- ^ R. M. Turcios, M.-A. Widdowson, A. C. Sulka, P. S. Mead, R. I. Glass. Reevaluation of Epidemiological Criteria for Identifying Outbreaks of Acute Gastroenteritis Due to Norovirus: United States, 1998-2000. Clinical Infectious Diseases. 2006;42(7):964-969. doi:10.1086/500940.
