Why do some people get sicker from viruses than others? Scientists are studying how the physical properties of our cells, including how stiff or flexible they are, may affect how easily viruses infect them. https://theconversation.com/viruses-obey-the-laws-of-physics-studying-how-can-help-researchers-understand-why-they-infect-people-differently-and-lead-to-better-treatments-291499