We have one of the best testing systems in the world. Our frustrations with it are, conversely, a reflection of its efficiency.
While the light at the end of the tunnel appears to be here in the global battle with Coronavirus, it makes sense to plan for the unexpected.
Although it must be remembered that the UK is still carrying out more tests than many other countries.
No one can be certain about anything in this crisis, but extreme pessimism around rising cases will not get us anywhere.
Used properly, stretch targets have the effect of galvanising the level of culture change, ambition, pace and delivery which is needed.