about the strategy. this is the balanced and the proportionate approach that we've taken to covid. we've been able to keep this country open, keep our economy moving — more open than any other comparable economy in europe, and they know it, mr speaker. with a huge rise in cases, the testing system has been under strain, so today, a change in england and wales. if you don't have covid symptoms and your lateral flow test is positive, you'll still have to isolate but won't have to confirm the result with a pcr. staff shortages, though, remain a major problem. in hospitals and other sectors, services are being cancelled or delayed because so many are in isolation. the labour leader is one of them, after testing positive for the second time. his deputy stood in. doctors, nurses, carers, teachers and pupils can't get the tests they need now to do two tests a week. emergency workers are reportedly stuck in isolation