> Until 2020, healthcare authorities in the Western world were were certain that viruses could never remain airborne for extended periods of time.
There was certainly mainstream belief that covid was limited to droplet transmission (though I remember much discussion of that as well) but the idea that Western medicine didn't think any viruses were airborne is nonsense.
Another comment brought up measles, which is a great example, and known for many decades.
> Until 2020, healthcare authorities in the Western world were were certain that viruses could never remain airborne for extended periods of time.
There was certainly mainstream belief that covid was limited to droplet transmission (though I remember much discussion of that as well) but the idea that Western medicine didn't think any viruses were airborne is nonsense.
Another comment brought up measles, which is a great example, and known for many decades.