Fact 1: Pathogens can cause disease.

Fact 2: Legionnaires' disease is a serious disease.

Given the two facts above, answer the question "Pathogens can cause what?" with the following options: 
- smallpox
 - symptoms
 - killing insects
 - type 1 diabetes
 - a broken arm
 - Legionnaires'
 - plantar fasciitis
 - influenza


 

      Legionnaires'   