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Modelling the spread of coronavirus in the lungs
Simplifying Complexity
The Effect of Space on the Spread of a Virus in the Lung
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The lung has so much space that the spreading virus actually doesn't fill the whole lung with virus. How many of those patches there are in our work says how much virus you're then able to produce in the lung and potentially spread to others. The alternative hypothesis which I think has been ignored sort of still maybe too much in this pandemic is that the virus is aerosolized. So it's more like cigarette smoke in a room, right? It's in tiny little particles. And when you breathe those in through this fractal branching airway, if you take one breath in, that breath goes to the first tube and then it divides into the next two as well.
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