Endemic, epidemic, pandemic: What's the difference?
Key takeaways
- The Andes hantavirus outbreak shows how easily disease labels are misunderstood — and why they describe patterns of spread, not how dangerous a virus is.
- https://p.dw.com/p/44z Uy If SARS-Co V-2 becomes endemic, it may not necessarily become less dangerous Image: picture-alliance/M.
- These concepts are often grouped together or misused in public discourse, but in epidemiology they have precise meanings.
Why this matters: an international story with cross-border implications worth tracking.
The Andes hantavirus outbreak shows how easily disease labels are misunderstood — and why they describe patterns of spread, not how dangerous a virus is.
https://p.dw.com/p/44z Uy If SARS-Co V-2 becomes endemic, it may not necessarily become less dangerous Image: picture-alliance/M. Schönherr Advertisement. The recent outbreak of the rare Andes hantavirus has once again drawn attention to terms that became widely familiar during the COVID‑19 pandemic: endemic, epidemic and pandemic.
These concepts are often grouped together or misused in public discourse, but in epidemiology they have precise meanings. Importantly, they describe how a disease spreads — not how dangerous it is. So what do the terms actually mean?