|  | Environmental outcomes | Clinical outcomes | ||||
---|---|---|---|---|---|---|---|
 | Micro-organism | Range of effect of all studies | Range of effect of stat. sign. findings | Number of studies | Range of effect of all studies | Range of effect of stat. sign. findings | Number of studies |
Viruses | Norovirus | Â | Â | Â | Â | Â | Â |
Bacteria | Acinetobacter | 78–100% reduction |  |  |  |  | |
 | ESBL |  |  |  |  |  |  |
 | CPE |  |  |  |  |  |  |
 | MRSA | 10–100% reduction | 23.8% reduction | 41.1% reduction | 41.1% reduction | 1 [28] | |
 | VRE | 100% reduction |  | 1 [26] |  |  |  |
Spores | C. difficile | 59.4–94% reduction | 87.5–91% reduction |  |  |  | |
Yeast | C. auris | Â | Â | Â | Â | Â | Â |