A Greater Manchester MP said he still suffers brain fog, sweats, exhaustion and vertigo, months after having coronavirus.Andrew Gwynne, MP for Denton and Reddish, said a simple task like cutting the lawn can leave him 'drenched in sweat', with headaches, shakes and dizziness.The 46-year-old is one of an increasing number of people identifying as coronavirus 'long-haulers'.They are patients with often mild Covid-19 symptoms, who go on to suffer post-viral fatigue for a prolonged period of