Tag Archives: spread

COVID-19 can be spread by building ventilation, argue Canadian researchers working on an HVAC fix

The outbreak of COVID-19 at a restaurant in the southern Chinese city of Guangzhou was a puzzle. The suspected index patient was a visitor from the coronavirus’s epicentre in Wuhan. But the eight other customers who later tested positive were not sitting close enough for droplet transmission, and most of the patrons and staff avoided… Read More »