The discovery of airborne pathogen transmission pretty much began with Pasteur’s swan-necked flask. What…

The discovery of airborne pathogen transmission pretty much began with Pasteur’s swan-necked flask. What prevented transmission was just the shape of the neck. It was open to the air. I wonder if ventilation design makes use of the fact pathogens don’t like corners? https://t.co/0v9ObNQWfJ