PARIS, France (AFP) — The anti-viral drug remdesivir should not be used to treat Covid-19 patients no matter how severe their illness as it has “no important effect” on survival chances, the World Health Organization said Friday. Scratching one of the few treatments that had shown some initial promise in severe patients, a WHO Guideline Development Group (GDG) of international experts said there was “no evidence based on currently available data that it does improve […]