NEW : `` These are alarm bells , '' said World Health Organization director-general . NEW : The WHO dubs the virus MERS-CoV . Patient with novel coronavirus dies of organ failure , French hospital reports . TL;DR NEW
NEW : `` These are alarm bells , '' said World Health Organization director-general . NEW : The WHO dubs the virus MERS-CoV . Patient with novel coronavirus dies of organ failure , French hospital reports . Half of those diagnosed with the virus have died , experts say .