I added a weekly point to my log graph of the Covid data and the last 3 points form a new stright line of higher gradient. Putting this into my model where I had the gradient being (R-1)/T, with T being the time for the next set of people to become infected, I calculate that if R was in the range 0.7 to 0.9 before it would be in the range 0.52 - 0.84 now.
