A woman wearing a face mask to protect against coronavirus is reflected in a gwindow while passing along a street next to some bar terraces, in Pamplona, northern Spain, Wednesday, May 13, 2020. Roughly half of 47 million Spaniards are stepping into a softer version of the country’s coronavirus strict confinement and are beginning to socialize, shop in small establishments and enjoy a meal or a coffee in restaurants and bars with outdoor seating. The hard-hit region around the Spanish capital, Madrid, and the economic powerhouse of Barcelona, in the northeastern Catalonia region, are among those territories that remain under stricter measures. (AP Photo/Alvaro Barrientos)
BRUSSELS — New coronavirus clusters have surfaced around the world as nations struggle to balance reopening economies and preventing a second wave of infections, while a top global health official warned Wednesday that COVID-19 could be around for a long time.