The BBC's Guy Hedgecoe in Madrid says contagion among young people is a particular worry, as they have been gathering in large numbers in cities at night.
据 BBC 驻马德里记者 Guy Hedgecoe 报道，病毒在年轻群体中传播的情况尤其令人担忧，因为到了晚上，他们就会在各城市大规模聚集。