Table 1 Literature values for terminal survival half-life (t½) of SARS-CoV-2 on prototypic HITES, on skin, or in suspension.
Prototypic fomite/suspension | Organic load | Temperature (RH) | Survival t½ (h) | Time needed for 1 log10 reduction in titer (h) | Time needed to decrease viral burden below MID (h)a | References |
|---|---|---|---|---|---|---|
Plastic | None | 21–23 °C (40%) | 6.8 | 23 | 91 | |
None | 22 °C (65%) | 11 | 37 | 147 | ||
None | 25–27 °C (35%) | 16 | 53 | 213 | ||
None | 19–21 °C (45–55%) | 35 | 115 | 460 | ||
10 mg/mL BSA | 19–21 °C (45–55%) | 24 | 79 | 316 | ||
Human sputum | 21 °C (40%) | 3.1 | 10 | 40 | ||
Human mucus | 21 °C (40%) | 3.1 | 10 | 40 | ||
Tripartite soil | 20 °C (35–40%) | 38 | 130 | 520 | ||
Stainless steel | None | 21–23 °C (40%) | 5.6 | 19 | 75 | |
None | 22 °C (65%) | 15 | 50 | 200 | ||
None | 25–27 °C (35%) | 23 | 77 | 306 | ||
Tripartite soil | 20 °C (35–40%) | 29 | 95 | 380 | ||
Tripartite soil | 20 °C (50%) | 43 | 143 | 573 | ||
Aluminum | None | 19–21 °C (45–55%) | 0.33 | 1.1 | 4.4 | |
10 mg/mL BSA | 19–21 °C (45–55%) | 15 | 51 | 204 | ||
Glass | None | 22 °C (65%) | 4.8 | 16 | 64 | |
None | 25–27 °C (35%) | 22 | 73 | 293 | ||
None | 19–21 °C (45–55%) | 7.0 | 23 | 93 | ||
10 mg/mL BSA | 19–21 °C (45–55%) | 25 | 83 | 333 | ||
Tripartite soil | 20 °C (50%) | 46 | 153 | 613 | ||
Wood | None | 22 °C (65%) | 0.71 | 2.4 | 9.5 | |
None | 25–27 °C (35%) | 21 | 70 | 280 | ||
Vinyl | Tripartite soil | 20 °C (50%) | 46 | 153 | 613 | |
Copper | None | 21–23 °C (40%) | 0.77 | 2.6 | 10 | |
Cardboard | None | 21–23 °C (40%) | 3.5 | 12 | 47 | |
Liquid sputum | N/A | 21 °C | 1.9 | 6.3 | 25 | |
Liquid mucus | N/A | 21 °C | 3.7 | 12 | 47 | |
Swine skin | None | 20–24 °C (40–50%) | 3.5 | 12 | 47 | |
Human feces (10% suspension) | None | 25–27 °C (35%) | 2.6 | 8.7 | 35 | |
Human urine | None | 25–27 °C (35%) | 16 | 53 | 212 |
