The images below illustrate three different populations before and after a disease outbreak: one where there is no immunity to a disease, one with some immunity, and one with herd immunity. Order the images from left to right depicting no immunity, some immunity, and herd immunity.

Key:
Blue = Not vaccinated, healthy
Yellow = Vaccinated, healthy
Red = Not vaccinated, sick and contagious
Question List (3 images) (Drag and drop into the appropriate area)

Correct Answer List
1
2
3
No immunity
Herd immunity

Some immunity