The biohazard symbol is a recognizable icon used to indicate the presence of biological substances that pose a threat to human health or the environment. It consists of three interlocking circles, forming a distinctive shape that is often colored in black and yellow. This symbol is commonly found on containers, equipment, and areas where hazardous biological materials are handled or stored. The use of the biohazard symbol is essential in laboratories, hospitals, and waste disposal sites to ensure safety and compliance with regulations. It alerts individuals to potential risks associated with pathogens, such as viruses, bacteria, and other infectious agents, helping to prevent accidental exposure and contamination.