Hospital-acquired infection outbreak thresholds
From IDWiki
| Organism | Definition | Incubation | Point prevalence testing |
|---|---|---|---|
| VRE | 3 noso cases in 7 days, or 5 in 28 days | — | Test 3 days, 3 days, and 7 days |
| MRSA | As above | — | Weekly or at discretion or ICP |
| Other ARO | As above | — | Weekly or at discretion of ICP |
| C. difficile | For >20 beds: 3 noso cases in 7 days, or 5 in 28 days For <20 beds: 2 noso cases in 7 days, or 4 in 28 days |
— | Ongoing surveillance for symptomatic patients |
| Respiratory viruses | 2+ noso cases within 48 hours on a single unit, confirmed as the same pathogen Consider enhanced monitoring if only one case was confirmed by the lab |
3 days | Ongoing syrveillance for symptomatic patients and staff |
| Norovirus | 2-3 noso cases | 2 days | Ongoing surveillance for symptomatic patients and staff |
| Scabies | 1-2 noso cases | 6 weeks | Ongoing surveillance for symptomatic patients and staff |
