The Ebola outbreak in the Democratic Republic of Congo is moving faster than any previous epidemic of the disease and risks spreading to more countries, the head of the World Health Organization has warned. “We must be frank: the epidemic is far from being under control,” WHO Director-General Tedros Adhanom Ghebreyesus told an emergency meeting on the outbreak on Tuesday. “It had a big head start, and we are still playing catch-up.” His comment came after the DR Congo on Monday said the outbreak...