There are several ESS parameters that may impact the disinfectant's ability to inactivate the virus on surfaces, notwithstanding that an ESS is only as effective as the disinfectant chemical being sprayed (only EPA-approved disinfectants should be used for the SARS-CoV-2 virus and in accordance with the disinfectant ...

What are the CDC guidelines for using electrostatic sprayers or foggers during the COVID-19 pandemic?

If you use an electrostatic sprayer or fogger, only the person applying it, wearing appropriate PPE, should be in the room. The person applying should leave the room following application. Stay out of the area for the time indicated in the product label and specified by the application device. Open windows and doors after use, if possible, to air out the space.

Is the spraying of aerosolized disinfectant onto humans effective in reducing the spread of COVID-19?

FDA does not recommend spraying humans with aerosolized disinfectant. There is currently no data to demonstrate that this method is effective in treating or reducing the spread of COVID-19. Surface disinfectants or sprays should not be used on humans or animals. They are intended for use on hard, non-porous surfaces.

CDC provides information regarding disinfectant practices for surfaces in the Reopening Guidance for Cleaning and Disinfecting Public Spaces, Workplaces, Businesses, Schools, and Homes.