which, let loose, can infect virtually everyone No virus in history has infected virtually everyone, and there are lots of experts calling foul on that particu

which, let loose, can infect virtually everyone No virus in history has infected virtually everyone, and there are lots of experts calling foul on that particular assumption right now. It's baked into epidemiological models but those models are always wrong, and the assumption of very high susceptible populations is being floated in several papers as one of the possible reasons.