Latest figures show more than a million people in Britain are suffering from long Covid. For many the condition is completely debilitating. The extreme fatigue, breathing difficulties, brain-fog is forcing hundreds of thousands of previously fit, working people on to long term sick. File on 4 hears from the hero frontline workers who kept Britain going through the pandemic but now feel abandoned. Others reveal how they’ve felt pressurised to return to work even though they’re very ill. So who’s looking after them – and who, if anyone, is going to support them when their sick pay runs out? Reporter: Paul Kenyon Producer: Mick Tucker Editor: Carl Johnston