Must read study on the 6 feet rule and the 5 microns - some eye candy to get you to read it.
(Come for the candy, stay for the healthy veggies).
Nodes in peach are 3 foot rule
Nodes in blue are 6 feet.
Nodes in red are variable.
Arrows show older cited in newer.
Full explanation.
Dark purple outline - mention of 5 micron cut-off
Purple - airborne = particles that remain suspended in the air.
Light Green - "particles that can be inhaled"
Dark Green - "particles that are infectious".
A dotted line indicates the older source is cited in order to disagree.
On the history and humor - Jonathon is always on point:
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