Smith College

At room temperature (22°C) with a relative humidity of around 65%, the rank of stability of a 5 μL droplet of virus culture (from most stable to least):
- outer layer of a surgical mask (virus still detectable on day 7)
- stainless steel and plastic (virus not detectable on day 7)
- glass and banknote (not detectable on day 4)
- Treated wood and cloth  (not detectable on day 2)
- printing and tissue papers  (not detectable after 3 hours)

**a biphasic decay of infectious SARS-CoV-2 was found in samples recovered from these smooth surfaces

Stability of SARS-CoV-2 on different Surfaces

Chin, A., Chu, J., Perera, M., Hui, K., Yen, H., Chan, M., Peiris, M. and Poon, L., 2020. Stability of SARS-CoV-2 in different environmental conditions. The Lancet Microbe, 1(1), p.10. doi:10.1016/S2666-5247(20)30003-3 https://www.thelancet.com/journals/lanmic/article/PIIS2666-5247(20)30003-3/fulltext

Stability of SARS-CoV-2 in different environmental conditions

Biphasic decay of infectious SARS-CoV-2 population on Glass

Biphasic decay of infectious SARS-CoV-2 population on Banknote

Biphasic decay of infectious SARS-CoV-2 population on Plastic

Biphasic decay of infectious SARS-CoV-2 population on Stainless Steel

Biphasic decay of infectious SARS-CoV-2 population on Inner Surface of Mask

Biphasic decay of infectious SARS-CoV-2 population on Outer Surface of Mask

Table of stability of SARS-CoV-2 on different surfaces

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