While<unk>  <unk>  encompasses a multitude of non-specific symptoms,<unk> -related illness (BRI) comprises specific, diagnosable symptoms caused by certain agents (chemicals, bacteria, fungi, etc.). These can typically be identified, measured, and quantified. There are usually 4 causal agents in BRI; 1.) Immunologic, 2.) Infectious, 3.) toxic, and 4.) irritant. For instance, Legionnaire's disease, usually caused by Legionella pneumophila, involves a specific organism which could be ascertained through clinical findings as the source of contamination within a<unk> .
Sick building syndrome
FACES syndrome
Roemheld syndrome
Death-grip syndrome
Pfeiffer syndrome
MASA syndrome
Tension myositis syndrome
Raine syndrome