biohazard sign (U+2623-fe0f)

The emoji "☣️" is commonly known as the "Biohazard" symbol. It is used to indicate the presence of biological hazards or substances that are harmful to living organisms, such as bacteria, viruses, or toxins. This symbol is often used in laboratories, hospitals, and other settings where there is a risk of exposure to biohazardous materials. It is also used in popular culture to represent danger, mutation, or experimentation with genetic engineering. The use of this emoji can help to raise awareness of the importance of proper handling and disposal of biohazardous materials to prevent the spread of infectious diseases and protect public health.