A substance, typically produced by a bacterium, that produces fever when introduced or released into the blood.
- ‘He is responsible for all pyrogen and bacterial endotoxins testing issues.’
- ‘A proprietary finishing system ensures that the fabric will meet specified pyrogen levels.’
- ‘The rabbit pyrogen test is well established as an official end-product test.’
- ‘Tests must be performed for pyrogens, sterility, and EO residues.’