News
https://toronto.ctvnews.ca/ontario-company-aims-to-clear-the-air-amid-covid-19-reopening-1.5455082
https://www.lakecountrycalendar.com/news/virus-cleaning-pilot-set-for-unisus-school-in-summerland/#
https://www.brantfordexpositor.ca/news/local-news/company-aims-to-clear-the-air-help-province-reopen
https://newshere.org/2021/06/03/toronto-theatre-aims-to-clear-the-air-amid-covid-19-reopening/