The SIR model for infectious disease growth was proposed in 1927, https://en.wikipedia.org/wiki/Mathematical_modelling_of_infectious_disease https://en.wikipedi

The SIR model for infectious disease growth was proposed in 1927, https://en.wikipedia.org/wiki/Mathematical_modelling_of_infectious_disease https://en.wikipedia.org/wiki/Mathematical_modelling_of_infe.... We got taught this in our undergrad calculus class and wrote programs to play with the different parameters - it's kind of eye opening if one has never thought too much about it - pretty much everyone gets infected within some constraints.