- •Droplet deposition of virus occurred on surfaces around the toilet when untreated infectious material was flushed.
- •The highest concentration and incidence of surface contamination occurred nearest to the toilet bowl on the toilet seat and the toilet bowl rim.
- •The deposition of droplets was significantly reduced (P < .05) when the waste was treated using a peracetic acid, quaternary ammonium, and chlorine-based disinfectant prior to flushing.
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Conflict of interest: None to report.
Funding/support: Supported by the National Science Foundation Water Environmental Technology Center at the University of Arizona and the California Association of Sanitation Agencies .