Microorganism library
Not all germs are equal under UV-C
The same lamp can wipe out one organism in an instant and barely dent another. What decides it is the organism's shape and shell — and that sets the UV dose you need. Here's the full peer-reviewed catalogue, in plain words with the numbers next to them.
New here? Start with how UV cleans without chemicals · what “dose” & “log” mean
Viruses
51Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 45.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 182 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 40 mJ/cm²
- Dose for 99.99 % (4 log)
- 160 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 27.6 mJ/cm²
- Dose for 99.99 % (4 log)
- 110.4 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 30 mJ/cm²
- Dose for 99.99 % (4 log)
- 120 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 53.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 213.2 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 15 mJ/cm²
- Dose for 99.99 % (4 log)
- 60 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 22.6 mJ/cm²
- Dose for 99.99 % (4 log)
- 90.4 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 30 mJ/cm²
- Dose for 99.99 % (4 log)
- 120 mJ/cm²
- Medium
- Water
Icosahedral capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 40 mJ/cm²
- Dose for 99.99 % (4 log)
- 160 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 4.3 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 1.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 4 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 2.7 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 9.5 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 5.6 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 9.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 39.2 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 4 mJ/cm²
- Dose for 99.99 % (4 log)
- 16 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 9.2 mJ/cm²
- Dose for 99.99 % (4 log)
- 36.8 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 30.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 122.8 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 4.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 18 mJ/cm²
- Medium
- Water
Naked capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 3.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 14.8 mJ/cm²
- Medium
- Water
Enveloped virus
- UV-C dose for 90 % (1 log)
- 2.5 mJ/cm²
- Medium
- Water
Envelope + HA/NA spikes (UV-sensitive)
- UV-C dose for 90 % (1 log)
- 3 mJ/cm²
- Dose for 99.99 % (4 log)
- 12 mJ/cm²
- Medium
- Air
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 17.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 69.2 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 4 mJ/cm²
- Dose for 99.99 % (4 log)
- 16 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 13.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 54 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 19.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 77.2 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 42.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 170.8 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 27.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 110 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 29.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 118 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 41.9 mJ/cm²
- Dose for 99.99 % (4 log)
- 167.6 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 20 mJ/cm²
- Dose for 99.99 % (4 log)
- 80 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 36.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 147.2 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 14.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 57.2 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 4.9 mJ/cm²
- Dose for 99.99 % (4 log)
- 19.6 mJ/cm²
- Medium
- Water
Naked capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 7.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 30 mJ/cm²
- Medium
- Water
Naked capsid (UV-resistant)
- UV-C dose for 90 % (1 log)
- 15 mJ/cm²
- Dose for 99.99 % (4 log)
- 60 mJ/cm²
- Medium
- Air
Picornavirus (very small, naked)
- UV-C dose for 90 % (1 log)
- 7.6 mJ/cm²
- Medium
- Water
Picornavirus (very small, naked)
- UV-C dose for 90 % (1 log)
- 7.2 mJ/cm²
- Dose for 99.99 % (4 log)
- 28.8 mJ/cm²
- Medium
- Water
Picornavirus (very small, naked)
- UV-C dose for 90 % (1 log)
- 12.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 50 mJ/cm²
- Medium
- Water
Picornavirus (very small, naked)
- UV-C dose for 90 % (1 log)
- 10 mJ/cm²
- Dose for 99.99 % (4 log)
- 40 mJ/cm²
- Medium
- Water
Picornavirus (very small, naked)
- UV-C dose for 90 % (1 log)
- 7.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 30 mJ/cm²
- Medium
- Water
Double capsid (very UV-resistant)
- UV-C dose for 90 % (1 log)
- 4.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 18 mJ/cm²
- Medium
- Water
Double capsid (very UV-resistant)
- UV-C dose for 90 % (1 log)
- 11.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 44.4 mJ/cm²
- Medium
- Water
Double capsid (very UV-resistant)
- UV-C dose for 90 % (1 log)
- 8 mJ/cm²
- Medium
- Water
Double capsid (very UV-resistant)
- UV-C dose for 90 % (1 log)
- 29.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 116.4 mJ/cm²
- Medium
- Water
Lipid envelope, spike protein
- UV-C dose for 90 % (1 log)
- 2 mJ/cm²
- Dose for 99.99 % (4 log)
- 8 mJ/cm²
- Medium
- Air
Lipid envelope, spike protein
- UV-C dose for 90 % (1 log)
- 1.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 7.2 mJ/cm²
- Medium
- Water
Lipid envelope, spike protein
- UV-C dose for 90 % (1 log)
- 1.24 mJ/cm²
- Dose for 99.99 % (4 log)
- 4.96 mJ/cm²
- Medium
- Water
Lipid envelope, spike protein
- UV-C dose for 90 % (1 log)
- 0.45 mJ/cm²
- Dose for 99.99 % (4 log)
- 1.8 mJ/cm²
- Medium
- Water
Lipid envelope, spike protein
- UV-C dose for 90 % (1 log)
- 0.48 mJ/cm²
- Dose for 99.99 % (4 log)
- 1.92 mJ/cm²
- Medium
- Water
Naked capsid
- UV-C dose for 90 % (1 log)
- 5 mJ/cm²
- Medium
- Water
Bacteria
74Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 1.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.9 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 22 mJ/cm²
- Dose for 99.99 % (4 log)
- 88 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 19.9 mJ/cm²
- Dose for 99.99 % (4 log)
- 79.6 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 16.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 64.4 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 25 mJ/cm²
- Dose for 99.99 % (4 log)
- 100 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 8 mJ/cm²
- Dose for 99.99 % (4 log)
- 32 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 15.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 62 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 10.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 40.4 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 10.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 43.2 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 435 mJ/cm²
- Dose for 99.99 % (4 log)
- 1740 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 12 mJ/cm²
- Medium
- Water
Bacterium in endospore form: multilayer coat + DPA-calcium complex + dehydrated genome. ~100× more resistant than the active cell.
- UV-C dose for 90 % (1 log)
- 22 mJ/cm²
- Dose for 99.99 % (4 log)
- 88 mJ/cm²
- Medium
- Air
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 2.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 10.3 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 2.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 10.5 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 1 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.2 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 1.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 7.4 mJ/cm²
- Medium
- Water
Spiral rod
- UV-C dose for 90 % (1 log)
- 2.1 mJ/cm²
- Medium
- Water
Spiral rod
- UV-C dose for 90 % (1 log)
- 6.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 27.2 mJ/cm²
- Medium
- Surface
Spiral rod
- UV-C dose for 90 % (1 log)
- 1.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 7.2 mJ/cm²
- Medium
- Water
Bacterial endospore
- UV-C dose for 90 % (1 log)
- 384 mJ/cm²
- Dose for 99.99 % (4 log)
- 1536 mJ/cm²
- Medium
- Surface
Club-shaped Gram⁺ rod (diphtheria)
- UV-C dose for 90 % (1 log)
- 3.4 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 3 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 2 mJ/cm²
- Dose for 99.99 % (4 log)
- 8 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 3.4 mJ/cm²
- Dose for 99.99 % (4 log)
- 13.6 mJ/cm²
- Medium
- Surface
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 4.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 18.8 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 2 mJ/cm²
- Dose for 99.99 % (4 log)
- 8 mJ/cm²
- Medium
- Surface
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 1.4 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.6 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 1.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 6 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 3 mJ/cm²
- Dose for 99.99 % (4 log)
- 10 mJ/cm²
- Medium
- Air
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 2.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 10 mJ/cm²
- Medium
- Surface
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 0.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 2.8 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 1 mJ/cm²
- Dose for 99.99 % (4 log)
- 4 mJ/cm²
- Medium
- Water
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 3.8 mJ/cm²
- Medium
- Surface
Classic rod bacterium
- UV-C dose for 90 % (1 log)
- 8 mJ/cm²
- Medium
- Surface
Gut cocci (hospital-acquired)
- UV-C dose for 90 % (1 log)
- 4.4 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 1.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 6.6 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 4.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 7.5 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 3.6 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 1.4 mJ/cm²
- Dose for 99.99 % (4 log)
- 6.3 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 2.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 10 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 1.9 mJ/cm²
- Dose for 99.99 % (4 log)
- 7.6 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 1.6 mJ/cm²
- Dose for 99.99 % (4 log)
- 6.4 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 5 mJ/cm²
- Dose for 99.99 % (4 log)
- 19 mJ/cm²
- Medium
- Air
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 1.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.7 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 6 mJ/cm²
- Dose for 99.99 % (4 log)
- 24 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 1.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 7.2 mJ/cm²
- Medium
- Water
Water-borne rod (Legionnaires’ disease)
- UV-C dose for 90 % (1 log)
- 1.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 6.8 mJ/cm²
- Medium
- Water
Spirochete (long, thin spiral)
- UV-C dose for 90 % (1 log)
- 0.8 mJ/cm²
- Medium
- Water
Gram⁺ rod (cold-tolerant, food-borne)
- UV-C dose for 90 % (1 log)
- 2.2 mJ/cm²
- Dose for 99.99 % (4 log)
- 4.1 mJ/cm²
- Medium
- Water
Gram⁺ rod (cold-tolerant, food-borne)
- UV-C dose for 90 % (1 log)
- 1.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.2 mJ/cm²
- Medium
- Surface
Gram⁺ rod (cold-tolerant, food-borne)
- UV-C dose for 90 % (1 log)
- 2.2 mJ/cm²
- Dose for 99.99 % (4 log)
- 8.8 mJ/cm²
- Medium
- Surface
Gram⁺ rod (cold-tolerant, food-borne)
- UV-C dose for 90 % (1 log)
- 3 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.8 mJ/cm²
- Medium
- Surface
Waxy, mycolic-acid-rich cell wall → slightly elevated UV-C resistance; additionally shielded in hot-water-system biofilms.
- UV-C dose for 90 % (1 log)
- 5.8 mJ/cm²
- Medium
- Water
Waxy, mycolic-acid-rich cell wall → slightly elevated UV-C resistance; additionally shielded in hot-water-system biofilms.
- UV-C dose for 90 % (1 log)
- 3.9 mJ/cm²
- Medium
- Water
Waxy, mycolic-acid-rich cell wall → slightly elevated UV-C resistance; additionally shielded in hot-water-system biofilms.
- UV-C dose for 90 % (1 log)
- 10 mJ/cm²
- Dose for 99.99 % (4 log)
- 80 mJ/cm²
- Medium
- Air
Biofilm former (pyocyanin green-blue)
- UV-C dose for 90 % (1 log)
- 5.5 mJ/cm²
- Medium
- Water
Food-borne rod
- UV-C dose for 90 % (1 log)
- 3.6 mJ/cm²
- Dose for 99.99 % (4 log)
- 14.4 mJ/cm²
- Medium
- Water
Food-borne rod
- UV-C dose for 90 % (1 log)
- 3.2 mJ/cm²
- Dose for 99.99 % (4 log)
- 12.8 mJ/cm²
- Medium
- Water
Food-borne rod
- UV-C dose for 90 % (1 log)
- 2.1 mJ/cm²
- Medium
- Water
Food-borne rod
- UV-C dose for 90 % (1 log)
- 0.9 mJ/cm²
- Dose for 99.99 % (4 log)
- 3.6 mJ/cm²
- Medium
- Water
Food-borne rod
- UV-C dose for 90 % (1 log)
- 4.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 18 mJ/cm²
- Medium
- Water
Food-borne rod
- UV-C dose for 90 % (1 log)
- 2.6 mJ/cm²
- Medium
- Water
Food-borne rod
- UV-C dose for 90 % (1 log)
- 1.9 mJ/cm²
- Dose for 99.99 % (4 log)
- 7.6 mJ/cm²
- Medium
- Surface
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 2.2 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 0.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 2.5 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 3.2 mJ/cm²
- Medium
- Water
Grape-like cluster (golden)
- UV-C dose for 90 % (1 log)
- 6.8 mJ/cm²
- Dose for 99.99 % (4 log)
- 27.2 mJ/cm²
- Medium
- Water
Grape-like cluster (golden)
- UV-C dose for 90 % (1 log)
- 4.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 16.4 mJ/cm²
- Medium
- Surface
Grape-like cluster (golden)
- UV-C dose for 90 % (1 log)
- 4 mJ/cm²
- Dose for 99.99 % (4 log)
- 15 mJ/cm²
- Medium
- Air
Diplococci (pneumonia)
- UV-C dose for 90 % (1 log)
- 3 mJ/cm²
- Dose for 99.99 % (4 log)
- 11 mJ/cm²
- Medium
- Air
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 0.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 2 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 3.4 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 2.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.8 mJ/cm²
- Medium
- Water
Generic rod bacterium
- UV-C dose for 90 % (1 log)
- 1.4 mJ/cm²
- Dose for 99.99 % (4 log)
- 4.9 mJ/cm²
- Medium
- Water
Molds & yeasts
44Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 413 mJ/cm²
- Medium
- Surface
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 35.6 mJ/cm²
- Medium
- Water
Conidial form with a pigmented wall. Clinically relevant — aspergillosis source in HVAC systems.
- UV-C dose for 90 % (1 log)
- 30.4 mJ/cm²
- Medium
- Water
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 75 mJ/cm²
- Dose for 99.99 % (4 log)
- 300 mJ/cm²
- Medium
- Surface
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 31.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 126 mJ/cm²
- Medium
- Surface
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 132 mJ/cm²
- Dose for 99.99 % (4 log)
- 528 mJ/cm²
- Medium
- Air
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 168.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 672.4 mJ/cm²
- Medium
- Water
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 125 mJ/cm²
- Dose for 99.99 % (4 log)
- 500 mJ/cm²
- Medium
- Surface
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 43.1 mJ/cm²
- Medium
- Water
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 133 mJ/cm²
- Dose for 99.99 % (4 log)
- 532 mJ/cm²
- Medium
- Surface
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 183 mJ/cm²
- Medium
- Water
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 13 mJ/cm²
- Medium
- Water
Fungus present as a conidium (spore): thick cell wall + melanin pigment absorb UV-C — up to 10× more resistant than active hyphae.
- UV-C dose for 90 % (1 log)
- 28.2 mJ/cm²
- Medium
- Water
Fungal conidium
- UV-C dose for 90 % (1 log)
- 26 mJ/cm²
- Medium
- Water
Fungal conidium
- UV-C dose for 90 % (1 log)
- 40.2 mJ/cm²
- Medium
- Water
Budding yeast (thrush)
- UV-C dose for 90 % (1 log)
- 75 mJ/cm²
- Dose for 99.99 % (4 log)
- 300 mJ/cm²
- Medium
- Surface
Budding yeast (thrush)
- UV-C dose for 90 % (1 log)
- 650 mJ/cm²
- Dose for 99.99 % (4 log)
- 2600 mJ/cm²
- Medium
- Water
Budding yeast (thrush)
- UV-C dose for 90 % (1 log)
- 6.1 mJ/cm²
- Dose for 99.99 % (4 log)
- 24.4 mJ/cm²
- Medium
- Water
Budding yeast (thrush)
- UV-C dose for 90 % (1 log)
- 13.2 mJ/cm²
- Medium
- Water
Heavily melanised conidium — one of the most UV-resistant mould spores.
- UV-C dose for 90 % (1 log)
- 750 mJ/cm²
- Medium
- Surface
Fungal conidium
- UV-C dose for 90 % (1 log)
- 125.5 mJ/cm²
- Medium
- Water
Fungal conidium
- UV-C dose for 90 % (1 log)
- 38.4 mJ/cm²
- Medium
- Water
Fungal conidium
- UV-C dose for 90 % (1 log)
- 34.9 mJ/cm²
- Medium
- Water
Filamentous form
- UV-C dose for 90 % (1 log)
- 17.3 mJ/cm²
- Medium
- Surface
Fungal conidium
- UV-C dose for 90 % (1 log)
- 16 mJ/cm²
- Medium
- Water
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 82.7 mJ/cm²
- Medium
- Surface
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 300 mJ/cm²
- Medium
- Surface
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 160 mJ/cm²
- Medium
- Water
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 40 mJ/cm²
- Medium
- Water
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 25.3 mJ/cm²
- Medium
- Surface
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 66.7 mJ/cm²
- Medium
- Surface
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 33.5 mJ/cm²
- Medium
- Surface
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 46.8 mJ/cm²
- Medium
- Water
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 241 mJ/cm²
- Medium
- Surface
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 49.2 mJ/cm²
- Medium
- Water
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 117.7 mJ/cm²
- Medium
- Water
Conidial spore with moderate pigmentation. Building/equipment reservoir.
- UV-C dose for 90 % (1 log)
- 27.1 mJ/cm²
- Medium
- Water
Fungal conidium
- UV-C dose for 90 % (1 log)
- 12.7 mJ/cm²
- Medium
- Water
Budding yeast
- UV-C dose for 90 % (1 log)
- 28.6 mJ/cm²
- Medium
- Water
Budding yeast
- UV-C dose for 90 % (1 log)
- 38.5 mJ/cm²
- Medium
- Water
Baker’s / brewer’s yeast
- UV-C dose for 90 % (1 log)
- 5.2 mJ/cm²
- Medium
- Water
Baker’s / brewer’s yeast
- UV-C dose for 90 % (1 log)
- 1 mJ/cm²
- Medium
- Water
Fungal conidium
- UV-C dose for 90 % (1 log)
- 572 mJ/cm²
- Medium
- Surface
Fungal conidium
- UV-C dose for 90 % (1 log)
- 30.1 mJ/cm²
- Medium
- Water
Protozoa
20Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 3 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 1 mJ/cm²
- Dose for 99.99 % (4 log)
- 4 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 5 mJ/cm²
- Dose for 99.99 % (4 log)
- 20 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 1 mJ/cm²
- Dose for 99.99 % (4 log)
- 4 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 0.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 2.8 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 0.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 2 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 2 mJ/cm²
- Dose for 99.99 % (4 log)
- 8 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 1 mJ/cm²
- Dose for 99.99 % (4 log)
- 4 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 1.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 2.8 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 1.4 mJ/cm²
- Dose for 99.99 % (4 log)
- 5.6 mJ/cm²
- Medium
- Water
Oocyst with a thick wall — UV-sensitive, but chlorine- and ozone-resistant → UV is the preferred inactivation method.
- UV-C dose for 90 % (1 log)
- 1.2 mJ/cm²
- Dose for 99.99 % (4 log)
- 4.8 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 0.7 mJ/cm²
- Dose for 99.99 % (4 log)
- 2.8 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 2.5 mJ/cm²
- Dose for 99.99 % (4 log)
- 10 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 1 mJ/cm²
- Dose for 99.99 % (4 log)
- 4 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 5 mJ/cm²
- Dose for 99.99 % (4 log)
- 20 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 2.2 mJ/cm²
- Dose for 99.99 % (4 log)
- 8.8 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 0.3 mJ/cm²
- Dose for 99.99 % (4 log)
- 1.2 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 2 mJ/cm²
- Dose for 99.99 % (4 log)
- 8 mJ/cm²
- Medium
- Water
Cyst (double-membrane wall)
- UV-C dose for 90 % (1 log)
- 4.5 mJ/cm²
- Medium
- Water
Oocyst (cat definitive host, chlorine-resistant)
- UV-C dose for 90 % (1 log)
- 3.4 mJ/cm²
- Medium
- Water
189 peer-reviewed records —the dose figures are vendor-neutral reference values; the resistance ranking follows each organism's morphology class. Want the exact kill rate for your own setup? Open the UV simulator →