After a fresh round of Ebola cases were announced in Liberia last week, a 15-year-old boy has died of the disease, the first fatal case for the embattled country after it was twice declared Ebola-free this year, health officials said…

Following 42 days with no new cases, thousands of residents gathered in Sierra Leone on Saturday, as the U.N. World Health Organization declared an end to the outbreak that killed 3,589 people and more than 221 health workers since it…