Labour leader Sir Keir Starmer questioned why Boris Johnson said the test andtrace system has “very little or nothing” to do with the spread or thetransmission of Covid-19, after previously hailing it as a game changer.
SirKeir asked in the Commons: “Both positions cannot be right – which one is itPrime Minister?” Mr Johnson replied: “It is an obvious fact of biology andepidemiology that alas this disease is transmitted by human contact or aerosolcontact.