A determined great-grandad fought back to beat Covid-19 after doctors told his heartbroken wife he would not survive.Margaret Hamilton, 82, says her husband Murdoch’s sheer determination helped him beat the odds and overcome the potentially-deadly virus after spending ten weeks in hospital. PAISLEY DAILY EXPRESS: Live news as it happens She was left devastated after doctors warned her that her husband of 62 years was so ill she may lose him.The pensioner had no idea he had coronavirus and it was only discovered when he was rushed to hospital after a nasty fall at home.But fighter Murdoch overcame the deadly illness to celebrate his 85th birthday in Paisley’s Royal Alexandra Hospital at the weekend.Margaret now says she cannot wait to have