Well I think that's using an assumption that if we had greater exposure (ie less public health measures/vaccines) for the virus it wouldn't mutate and cause mor

Well I think that's using an assumption that if we had greater exposure (ie less public health measures/vaccines) for the virus it wouldn't mutate and cause more damage than it did in its current form and causing a step change in in impact. Also wikipedia in and of itself is not a high quality source.