The Spanish health watchdog has said it sees no reason to stop the use of hydroxychloroquine (HCQ), the potentially dangerous medicine touted as a Covid-19 treatment by the US president. Several European nations, including France, Italy and Belgium, have decided to suspend prescription of the anti-malaria drug, which came to international prominence after US President Donald Trump said the medicine could be used to tackle Covid-19 and that he himself was taking it. The Spanish health watchdog, AEMPS, said the paper published by the magazine Lancet, which warned about health risks associated with HCQ, was not conclusive enough to stop...