Fact 1: Immunodeficiency occurs when the immune system is not working properly.

Fact 2: Treatments are available for many immunodeficiencies.

Given the two facts above, answer the question "What is available when the immune system is not working properly?" with the following options: 
- treatment
 - fever
 - bacteria
 - intense drugs
 - Energy.
 - magic potions
 - the cure
 - Energy


 

 treatment        