A medical worker prepares to enter the COVID-19 patients' wards at a hospital in Barcelona, Spain, April 9, 2020. Thursday saw the number of deaths from the coronavirus in Spain rise by 683 in 24 hours from 14,555 to 15,238, while the total number of infection cases rose by 5,756 from 146,690 to 152,446. (Photos: Xinhua)

Medical staff discuss about the treatment for COVID-19 patients at a hospital in Barcelona, Spain, April 9, 2020. Thursday saw the number of deaths from the coronavirus in Spain rise by 683 in 24 hours from 14,555 to 15,238, while the total number of infection cases rose by 5,756 from 146,690 to 152,446.

Medical workers attend the COVID-19 patients at a hospital in Barcelona, Spain, April 7, 2020. Thursday saw the number of deaths from the coronavirus in Spain rise by 683 in 24 hours from 14,555 to 15,238, while the total number of infection cases rose by 5,756 from 146,690 to 152,446.