US Dengue Cases Hit 3,798 in 2024 as Record Total Jumps 359%
Updated
Updated · Gizmodo · May 27
US Dengue Cases Hit 3,798 in 2024 as Record Total Jumps 359%
1 articles · Updated · Gizmodo · May 27
3,798 dengue cases were reported in the United States in 2024, the CDC said, including 108 severe cases and six deaths—the highest annual total on record.
About 97% of infections were linked to travel, tying the U.S. spike to a global wave that pushed documented dengue cases above 14 million worldwide in 2024.
More than 100 U.S. cases were acquired locally, with Florida, California and Texas reporting infections across multiple counties, suggesting repeated introductions rather than one contained outbreak.
About half of U.S. counties already host Aedes mosquitoes and three-quarters have suitable climate conditions, leading CDC researchers to warn of rising local transmission risk and call for stronger surveillance and vector control.
As tropical mosquitoes become permanent US residents, are annual 'breakbone fever' outbreaks the new normal for American summers?
With sterile mosquitoes and new vaccines on the horizon, can technology win the war against dengue's global march?
Dengue's true economic cost is hidden by underreporting. What is the real financial threat this virus poses globally?
Unprecedented 359% Rise in US Dengue Cases in 2024: Causes, Impact, and Public Health Response
Overview
In 2024, the United States and Puerto Rico experienced an unprecedented surge in dengue cases, with a record 3,798 cases reported—a 359% increase over previous years. Most cases were linked to recent travel outside the reporting area, while only a small portion were locally acquired. This dramatic rise prompted the CDC to issue a health alert, highlighting the urgent need for better prevention, detection, and response. The surge reflects the impact of global travel and changing environmental conditions, emphasizing the importance of public health vigilance and targeted strategies to manage the growing threat of dengue.