Before revision:  Yet, due to the exponential nature of epidemics growth, this simplification can  lead to inaccurate predictions and/or risk evaluation , thus begging the question: how large is the  impact of this simplification on predictions and risk estimates?
After revision:  Yet, due to the exponential nature of epidemics growth, this simplification can lead to inaccurate predictions and/or risk evaluation , thus begging the question: how large is the magnitude of the impact of this simplification on predictions and risk estimates?