The day was dominated by a rapidly expanding infectious disease crisis and a major advance in cancer therapy. DR Congo's Ebola outbreak added roughly 1,000 cases in 10 days and spread across five provinces, while a Ugandan border town rebuilt surveillance to block spillover and Yemen fought a dengue surge in a collapsing health system.
Against this backdrop, a CRISPR strategy that made prostate cancer susceptible to immunotherapy in mice offered a potential path to treat tumors that currently resist immune-based drugs.