To amend chapter 81 of title 5, United States Code, to create a presumption that a disability or death of a Federal employee in fire protection activities caused by any of certain diseases is the result of the performance of such employee's duty.

Federal Firefighters Fairness Act of 2011- Provides that: (1) specified diseases, including heart disease, lung disease, tuberculosis, hepatitis, human immunodeficiency virus, and specified cancers, of federal employees in fire protection activities shall be presumed to be proximately caused by such employment if the employee is diagnosed with the disease within 10 years of the last active...