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Having another go at plotting UK omicron cases (previous attempt plotted total over time, which I decided wasn't very useful). Numbers are still sufficiently small to mean that noise in the data makes a big difference. But based on data so far, current doubling rate is 1-2 days. 
This estimate could be too fast, if we've got better at detecting omicron over the last few days. Or it could be too conservative if it's getting harder for us to track omicron caes as numbers increase. Mix of imported and home-grown cases also unclear. So some caution required.
Updating this graph for 7th Dec. That line of best fit is still consistent with a doubling rate of 1-2 days (midpoint is 1.6 days). Things should get clearer in a couple more days. But we don't need to wait until then to introduce precautionary measures such as working from home.
