Wear a mask on the Tube if you're unwell: NHS chief warns Londoners as superflu 'tidal wave' sweeps capital

Daniel Elkeles, head of NHS Providers which represents hospitals, told of a ‘tidal wave’ of flu sweeping through the capital and other parts of Britain

Wear a mask on the Tube if you're unwell: NHS chief warns Londoners as superflu 'tidal wave' sweeps capital

Daniel Elkeles, head of NHS Providers which represents hospitals, told of a ‘tidal wave’ of flu sweeping through the capital and other parts of Britain