To add to your thinking: COVID infection is usually most dominant in the nasal passages. The lungs are less vulnerable to infection, but may get infected via th

To add to your thinking: COVID infection is usually most dominant in the nasal passages. The lungs are less vulnerable to infection, but may get infected via the upper respiratory system via aspiration. This is a really interesting read: https://sph.unc.edu/sph-news/researchers-map-how-coronavirus-infection-travels-through-cells-of-nasal-cavity-and-respiratory-tract/ https://sph.unc.edu/sph-news/researchers-map-how-coronavirus...