Concern that “Covid fatigue” could help more contagious variants sweep through boroughs where vaccination rates are lowest were raised today. Almost 3,000 cases of the Indian variant have been identified in the UK — up from 2,300 on Monday. Clusters have been found across the capital and Hounslow will be subject to increased surge testing and a speedier vaccinations programme. Hounslow’s director of public health Kelly O’Neill said: “More than...