The World Health Organization has issued its highest-level alert regarding an Ebola outbreak in Central Africa, with teams visiting facilities in Nyiragongo and Goma. Goma, a city of over two million under M23 rebel control since January 2025, has seen local reports of 27 negative samples from a 24-hour laboratory. The WHO director-general has expressed concern over the outbreak's scale and speed while the M23 group has downplayed risks.