(251120) -- NANJING, Nov. 20, 2025 (Xinhua) -- Professor Wu Xilin (C) works with his team at Nanjing University Medical School in Nanjing, east China's Jiangsu Province, Nov. 20, 2025. TO GO WITH "Chinese scientists develop broad-spectrum nanobodies for tick fever treatment" (Nanjing University/Handout via Xinhua)













