Mosquito disease alerts
Vector programs publish surveillance and human case notices. Use the map to see where signals cluster, then read local guidance for prevention.
Latest official signals we are tracking
Pulled from the live database when they overlap topics on this page. Agencies set the wording and timing—use the links, and do not read a short list as a complete picture of risk.
- Local dengue transmission reported — Dengue · CDC · event 2026-05-03
- West Nile virus activity in sentinel chickens — West Nile virus · CDC · event 2026-05-01
What people search
mosquito disease alerts · West Nile alerts · dengue map
Seasonality matters
Risk changes with weather, habitat, and travel. A signal in one state does not imply the same risk everywhere.
Related diseases
Places with recent reporting
Related reports
Popular searches
FAQ
- Is OutbreakThreat a government agency?
- No. We aggregate source-linked public notices so you can open the original publisher quickly. Follow your health department for mandates and your clinician for care.
- How do email alerts work?
- Paid plans let you save watch areas and receive email when new active signals match your rules. Browsing the map and these guides stays free.
Get email alerts for this topic or area
Paid plans watch a radius around saved places and email you when new, source-linked signals match your rules.
Set up alertsRelated outbreak maps & guides
Related disease alerts
Browse source-linked notices on the alerts index.
Popular searches
Latest reports
Get email alerts
Save watch areas and receive calm summaries when new publisher-linked signals match your rules.
Set up alerts