Yellow fever is a viral disease found in areas of Africa and the Americas, spread by infected mosquitoes. Following an increase of cases in the Americas in 2025, transmission activity remained into 2026. From 1 January to 26 May 2026, six countries reported a total of 79 human infections along wi...
Geographic Context
This disease event occurred near Lancy (approximately 1 km away) in Switzerland, an area that experiences a range of natural hazards. An estimated 7.5M people live within 200 km of the event location, placing this in the "significant" population impact tier.
Event Assessment
This event is a disease event classified as medium severity. Calamity.live has classified it as "medium" severity with a severity value of 45. The computed Calamity Score is 54 out of 100, reflecting a moderate-impact event. The primary scoring components are: population (100), historical (80), intensity (40). Data for this event was sourced from who, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
Switzerland has a documented history of disease events. Monitoring for disease events in the region relies on a combination of ground-based sensors, satellite remote sensing, and official reporting from national agencies. The frequency and severity of such events are tracked over time to support risk assessment and emergency preparedness.
Event Data
| Type | Disease |
| Severity | medium |
| Severity Value | 45 |
| Calamity Score | 54 / 100 |
| Confidence | 82% |
| Coordinates | 46.2000, 6.1000 |
| Nearest City | Lancy (1 km) |
| Population Exposed | 7.5M within 200 km |
| Impact Tier | significant |
| Timestamp | 2026-06-24T18:00:00.000Z |
| Source | https://www.who.int/emergencies/disease-outbreak-news/item/2026-DON610 |
Score Breakdown
Technical Details
| DonId | 2026-DON610 |
| DiseaseName | Yellow fever |
| PubDate | 2026-06-24T18:00:00Z |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a disease event with CalamityScore 54/100, near Lancy (Switzerland), based on data from who. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.