Katelyn Jenner, an epidemiologist I follow, recently posted a piece on what schools can do to limit the spread of Covid, that doesn't depend on compliance from teachers or students. Much here is applicable to commercial, health care and retail facilities as well.
From her air quality post:
"Schools need to upgrade their ventilation and filtration systems. This is one of the most powerful tools we have to curb COVID-19 and other viruses because it happens in the background—it’s an institutional-level intervention that doesn’t require the teachers, parents, or students to do anything. Unfortunately, a small proportion www.cbnclean.com/health/of schools report using these strategies, especially in rural and mid-poverty schools. Many administrators aren’t aware that federal funding is available for ventilation improvements."
In disinfecting surfaces, and keeping available full electrostatic disinfection service, there's only so much a commercial janitorial firm like ours can do.
Here's a handy graphic on strategies involving air filtration, exchange and purifying.
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