Baloxavir alleviates severe disease and viremia in ferrets infected with avian- or bovine-origin influenza A(H5N1) virus. - Jones JC; Andreev K; Sheth V; Rowbotham K; Vogel P; Patton CJ; Seiler P; Franks J; Kandeil A; Miller L; Babu MM; Webby RJ; et al. (Science translational medicine, 2026)