Human body fluids: semen, vaginal secretions,
cerebrospinal fluid, synovial fluid, pleural fluid, etc.
Any body fluid visibly contaminated with blood
All body fluids in situations where it is difficult or impossible to differentiate
between body fluids
Any unfixed tissue or organ from a human
Cells or tissue cultures, organ culture, and HIV- HBV-containing culture media or
solutions
Blood, organs, or other tissues from experimental animals infected with HIV or HBV.