Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Events (hierarchy name)
4. events (activities)

Narrower term/s

• plagues[+]
  • cocoliztli (smallpox and other sickness)
• pandemics

Anotations

Scope note:

Sudden outbreaks of a disease in people, animals, or plant populations in a region where the disease was not previously recognized or where a rapid increase in the number of new cases of a previous existing endemic disease occurs in the area.