Indoor air is the pandemic's ultimate enabler, experts say https://www.cbc.ca/news/canada/ottawa/covid-19-air-airborne-spread-1.5813187
"The science is clear: breathing the same air as others while indoors presents the greatest risk of catching COVID-19, yet experts say the public still may not be equipped with all the information they need to avoid that threat."
"The problem is, it's often hard to prove aerosol transmission occurred, he said, let alone predict how factors such as humidity, airflow, temperature and dilution affects the risk of contracting the virus in the real world."
...I mean, really, could it be any more obvious? The opportunity and demand here is just stupid.