GENEVA—The number of new coronavirus deaths reported worldwide fell by 17 percent in the last week while COVID-19 infections rose, reversing a decline in cases that first began in January, according to the World Health Organization. In the U.N. health agency’s weekly report on the pandemic issued late Tuesday, WHO said there were more than 11 million new COVID-19 infections last week—about an 8 percent rise—and 43,000 new deaths. The number of COVID-19 deaths globally has been dropping for the past three weeks. The biggest increase in cases were seen in the Western Pacific and Africa, where infections rose by 29 percent and 12 percent respectively. Elsewhere, cases dropped by more than 20 percent in the Middle East, Southeast Asia and the Americas. In Europe, cases inched up by about 2 percent. WHO said those numbers “should be interpreted with caution.” It noted that many countries are changing their COVID-19 …