Author: Haddow, Andrew D.; Watt, Taylor R.; Bloomfield, Holly A.; Fetterer, David P.; Harbourt, David E.
Title: Modeling the Stability of SARS-CoV-2 on Personal Protective Equipment (PPE) Cord-id: lxdqlf07 Document date: 2020_12_22
ID: lxdqlf07
Snippet: We modeled the stability of SARS-CoV-2 on personal protective equipment (PPE) commonly worn in hospitals when carrying out high-risk airway procedures. Evaluated PPE included the visors and hoods of two brands of commercially available powered air purifying respirators, a disposable face shield, and Tyvek coveralls. Following an exposure to 4.3 log(10) plaque-forming units (PFUs) of SARS-CoV-2, all materials displayed a reduction in titer of > 4.2 log(10) by 72 hours postexposure, with detectabl
Document: We modeled the stability of SARS-CoV-2 on personal protective equipment (PPE) commonly worn in hospitals when carrying out high-risk airway procedures. Evaluated PPE included the visors and hoods of two brands of commercially available powered air purifying respirators, a disposable face shield, and Tyvek coveralls. Following an exposure to 4.3 log(10) plaque-forming units (PFUs) of SARS-CoV-2, all materials displayed a reduction in titer of > 4.2 log(10) by 72 hours postexposure, with detectable titers at 72 hours varying by material (1.1–2.3 log(10) PFU/mL). Our results highlight the need for proper doffing and disinfection of PPE, or disposal, to reduce the risk of SARS-CoV-2 contact or fomite transmission.
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