At its heart, mechanical engineering is the understanding of energy transfer and forces, physics concepts not usually associated with medicine. However, even at the scale of a human cell, those concepts are at play, and understanding them could be the key to designing effective treatments. SARS-CoV-2 is a tiny particle that has stopped the world, but even it obeys the laws of physics….
https://mech.ubc.ca/2020/10/16/quantifying-the-bond-between-sars-cov-2-and-human-cell-receptors/