U.S. Environmental Protection Agency and Centers for Disease Control Update Surface Cleaning Guidance Amid the COVID-19 Pandemic

In a recent science brief regarding surface transmission of SARS-CoV-2, the novel coronavirus that causes COVID-19, the U.S. Centers of Disease Control and Prevention (CDC) concluded that while it is possible for people to be infected through contact with contaminated surfaces or objects, “the risk is generally considered to be low.” The principal mode by which people are infected by SARS-CoV-2 is through exposure to respiratory droplets in the air that contain the virus.


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Environmental Protection Agency Approves Copper Alloy for Long-Lasting Efficacy Against the Novel Coronavirus

The U.S. Environmental Protection Agency (EPA) has approved, for the first time, a pesticide product for long-lasting efficacy claims (also called residual efficacy) against SARS-CoV-2, the novel coronavirus that causes COVID-19. Unlike standard disinfectants, “residual efficacy” products are continually efficacious against viruses or other microorganisms over a period of hours (or even months) rather than just at point of use. Based on efficacy data, EPA expects the product approved last week—antimicrobial copper alloy that contains at least 95.6% copper—to eliminate 99.9% of SARS-CoV-2 within two hours, on an ongoing basis. However, EPA has only approved antimicrobial copper alloy for supplemental residual efficacy claims; these are products that do not meet EPA’s standards for a disinfectant, but are intended to supplement the use of EPA’s List N disinfectants. (List N contains those products EPA has approved for limited claims of efficacy against the novel coronavirus.) Accordingly, antimicrobial copper alloy has been added to EPA’s List N Appendix, which catalogues those products approved for supplemental residual efficacy claims.


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