Dengue Case Rates Rise in California, Florida, and Texas

The number of dengue cases per million residents nearly doubled in the contiguous United States from 2023 to 2024 — and almost tripled in California. Florida's big jump came earlier. Most cases were contracted abroad.

Reported dengue cases per million residents:

Note: U.S. data includes Washington, D.C., and all states except Alaska and Hawaii. It excludes Puerto Rico and island territories.
Sources: U.S. Centers for Disease Control and Prevention, California Department of Public Health, and U.S. Census Bureau
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