We must protect our NHS.
We must see sustained falls in the death rate.
We must see sustained and considerable falls in the rate of infection.
We must sort out our challenges in getting enough PPE to the people who need it, and yes, it is a global problem but we must fix it.
And last, we must make sure that any measures we take do not force the reproduction rate of the disease - the R - back up over one, so that we have the kind of exponential growth we were facing a few weeks ago.
And to chart our progress and to avoid going back to square one, we are establishing a new Covid Alert System run by a new Joint Biosecurity Centre.
And that Covid Alert Level will be determined primarily by R and the number of coronavirus cases.
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