Health Secretary Matt Hancock has confirmed thousands of potential Covid contacts have still not been told to self-isolate after a glitch in the test and trace system. <br /> <br />Speaking in the Commons, he added the assessment of the pandemic had "not substantially changed" due to the new data. Report by Alibhaiz. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn
