A doctor appearing on Good Morning Britain on Friday claimed that a recent mass testing pilot study 'missed 60 percent of people who had active Covid'.
Doctor David Strain appeared via video link from Exeter to speak to hosts Kate Garraway and Richard Madeley about daily testing.
Mass coronavirus testing instead of Covid isolation has been rolled out for food industry workers as the "pingdemic" continues to strip supermarket shelves.
It will mean all workers who have received NHS Covid 19 app alert to isolate or have been called by Test and Trace will be able to continue working if they test negative.
Read more on mirror.co.uk