LONDON: Deaths from the global coronavirus epidemic accelerated again on Friday as the US, Spain and Britain grappled with their highest tolls yet and the world economy took a massive hit.With more than 53,000 dead, the threat has never been more stark. Experts warn that the more than one million cases of COVID-19 confirmed globally are probably just a small proportion of total infections, as testing is not widely available.Prosperous countries in Europe and North America are currently bearing...