Why ordinary cleaning can fall short
Biological fluids may spread into seams and porous materials. Cleanup can also involve contaminated sharps or waste that should not be handled like ordinary household trash.
Worker-safety rules are a useful signal
OSHA applies its Bloodborne Pathogens standard to employees whose work reasonably anticipates contact with blood or defined other potentially infectious materials. That standard addresses exposure control, work practices and regulated waste handling.
A cautious rule of thumb
If there is significant blood, decomposition, unknown biological material, sharps, or contamination beyond an easily isolated nonporous surface, professional evaluation is the safer path.
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