When you’re talking about a highly contagious disease it’s more or less a distinction without a difference. It’s exponential until very close to the point where

When you’re talking about a highly contagious disease it’s more or less a distinction without a difference. It’s exponential until very close to the point where a significant percentage of the vulnerable population is infected. It’s not super interesting to point out that it’s no longer growing exponentially, when half the population has it already.