WHO chief arrives in Congo to support Ebola response as cases near 4,000

The WHO chief, Tedros Adhanom Ghebreyesus, has arrived in Congo to address the escalating Ebola outbreak, which has reached nearly 4,000 cases and 1,751 deaths. The Bundibugyo virus causing the outbreak has no approved treatment or vaccine, and challenges include conflict in Ituri province, inaccessible areas, and health worker strikes.