Brian Cox says a recent coronavirus test revealed that he has COVID-19 antibodies, despite not having experiencing any of the usual symptoms.Talking to James Corden on The Late Late Show, Cox says he hadn’t realised he’d had a bout of the virus as he ‘never felt anything’.Appearing via video link from London, the 74-year-old Succession star told Corden that his doctor had tested him for coronavirus while he was undergoing routine blood tests for his diabetes.“My doctor called and said, ‘oh,