Five factors behind Latin America’s Alarming Dengue Spike

Dengue is exploding across Latin America, with over 12 million cases and 1,000+ deaths reported in 2024 alone. What’s driving this surge? From invasive mosquito species and fast-evolving viruses to vaccine gaps and climate extremes, the region is facing a perfect storm of risk. In this post, we break down five key factors fueling the spike, and what it means for the future of public health in Latin America.