ajobbins:Ge0rge: All evidence thus far suggests that he did not catch it, nor pass it to anyone else, while in MIQ.
"But he (University of Auckland professor of epidemiology Rod Jackson) added: "The most likely and possible scenario is that he got it at MIQ which is a worry." source
It's highly unlikely to be a historic infection, or that he got it anywhere other than MIQ otherwise his incubation time would have been about 14+ days
I am not questioning what was said, just that is pure speculation - My response that you've quoted above is not.