Malaria and dengue are moving in opposite directions across Asia. One is retreating after decades of public health investment and the other is spreading into a larger, more urban, more climate-sensitive threat. A new study published in Viruses, using Global Burden of Disease 2021 data, warns governments, health agencies and regional institutions that Asia cannot rely on yesterday's malaria playbook to manage tomorrow's dengue risk. The research compares malaria and dengue burdens across global, Asian and Chinese populations from 1990 to 2021, projects trends to 2030, and estimates the risk of imported cases entering China from other Asian countries. Malaria…