Prime minister Boris Johnson has confirmed that Step 4 has been pushed back to 19 July. The original roadmap plan targeted 21 June as the “full and irreversible” final unlocking of the economy, subject to the virulence of the virus. The extended target date is to allow all adults in the UK over the age of 18 to receive their first vaccination. Two doses of the vaccination reduce the risk of hospitalisation by 84%, professor Chris Whitty noted in the press conference. The pri...