Claim the squares as the clues land

Exercise and reference answers

Clues and terms

1. Clue

   Constant presence or usual prevalence of a disease in a geographic area

   Item

   Endemic

2. Clue

   An epidemic that has spread over several countries or continents

   Item

   Pandemic

3. Clue

   Cases grouped in one area and period, with no known expected number

   Item

   Cluster

4. Clue

   The habitat where an agent normally lives, grows and multiplies

   Item

   Reservoir

5. Clue

   Passes to humans under natural conditions from vertebrate animals

   Item

   Zoonosis

6. Clue

   A person who is infectious while the disease stays subclinical

   Item

   Carrier

7. Clue

   The share of clinically apparent cases that turn severe or fatal

   Item

   Virulence

8. Clue

   A histogram of case counts by the time of onset of illness

   Item

   Epidemic curve

9. Clue

   A map marking where cases live, work or may have been exposed

   Item

   Spot map

Instructions

Read each clue, then tap the square on the board that it describes.

Explanation