C. Any solid or liquid waste which may present an infection threat to humans.
Biomedical waste (BMW) is defined as any waste that may contain infectious or potentially infectious substances, such as blood or other bodily fluids, microbiological cultures or sharps. It includes any solid, liquid or gas that may present a threat to public health or the environment. Biomedical waste is generated from healthcare facilities, research laboratories, and other institutions that handle biological materials. Proper disposal of biomedical waste is essential to prevent the spread of infectious diseases and protect public health.