Author: Warnes, Sarah L.; Little, Zoë R.; Keevil, C. William
Title: Human Coronavirus 229E Remains Infectious on Common Touch Surface Materials Document date: 2015_11_10
ID: 4d4l6mzl_7
Snippet: Rapid inactivation of human coronavirus occurs on brass and copper nickel surfaces at room temperature (21°C). Brasses containing at least 70% copper were very effective at inactivating HuCoV-229E ( Fig. 2A) , and the rate of inactivation was directly proportional to the percentage of copper. Approximately 10 3 PFU in a simulated wet-droplet contamination (20 l per cm 2 ) was inactivated in less than 60 min. Analysis of the early contact time po.....
Document: Rapid inactivation of human coronavirus occurs on brass and copper nickel surfaces at room temperature (21°C). Brasses containing at least 70% copper were very effective at inactivating HuCoV-229E ( Fig. 2A) , and the rate of inactivation was directly proportional to the percentage of copper. Approximately 10 3 PFU in a simulated wet-droplet contamination (20 l per cm 2 ) was inactivated in less than 60 min. Analysis of the early contact time points revealed a lag in inactivation of approximately 10 min followed by very rapid loss of infectivity (Fig. 2B) . As observed previously for norovirus, zinc demonstrated a slight antiviral effect compared to that seen with stainless steel (neither metal contains copper).
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