We can’t ease lockdown any more, expert warns as testing calls grow

Contact tracing must improve to prevent resurgence, say care chief and top scientistCoronavirus – latest updatesSee all our coronavirus coverageOne of the government’s most influential scientific advisers is warning that the loosening of lockdown may have already gone too far and that an urgent increase in coronavirus testing and faster contact tracing is essential to prepare for a resurgence in cases.Writing in the Observer , Sir Jeremy Farrar, director of the Wellcome Trust and a m