coronavirus patient known to have contracted the disease in Britain has told how she nearly died as her illness mystified medics.Joanne Rogers, 51, fell ill with what she thought was flu in late January, before the first cases had been confirmed in the UK.She was rushed to hospital two weeks later, when the authorities still insisted Covid-19 was restricted to a small number of people recently arrived from abroad.But the virus was already spreading and just over a month later so many were being