The biohazard symbol was developed in 1966 by Charles Baldwin, an environmental-health engineer working for the Dow Chemical Company on their containment products. [1] It is used in the labeling of biological materials that carry a significant health risk, including viral samples and used hypodermic needles .

2024年11月20日 · The biohazard symbol is a globally recognized warning icon designed to alert people to the presence of materials that pose a risk to human health, animal welfare, or the environment.

The biohazard symbol is a thoughtfully designed symbol with four circles representing the infection chain – agent, host, source, and transmission. Agent: It refers to the type of pathogen that can cause a hazardous condition or infection.

2016年7月13日 · In short, the biohazard symbol is used universally to report harmful substances that are particularly dangerous for living beings. The symbol is an image that warns people of possible exposure to biological substances that may consist of viruses , toxins , or medical waste (such as blood, body fluids, and human cell lines).

The term "biohazard" for the purpose of this symbol is defined as "those infectious agents presenting a risk or potential risk to the well-being of man, either directly through his infection or indirectly through disruption of his environment."

2022年10月14日 · The biohazard symbol is the most recognized symbol in the world — and that’s by design. We’ve seen it everywhere, but how did that come to be? Read more to learn about who designed the symbol, why, and how the biohazard symbol keeps us safe today.

2016年6月6日 · First, 300 people from 25 cities were shown an array of six newly-designed symbols alongside 18 commonly-used symbols, including Mr. Peanut, the Texaco star, the Shell Oil symbol, the Red Cross and even the swastika. Participants were asked to identify or guess the meaning of each (creating an associated “meaningfulness score”).

2017年10月11日 · As an international symbol, it is used worldwide to indicate the presence of biohazard agent. It was developed in 1966 by Charles L. Baldwin of Dow Chemicals and Robert S. Runkle of the NIH. Baldwin, an environmental health engineer, wanted the symbol to be “memorable but meaningless” so that they may educate people as to what it means.

After extensive research, Baldwin and his team produced what they believed to be the perfect warning symbol for biohazards. Its blazing orange background and perfectly symmetrical symbol stood out and avoided confusion. Its bold color and simple design made a tremendous impact on everyone who saw it.

2023年8月24日 · To ensure public safety and overcome language barriers, an international symbol for biohazards was created. This symbol, designed by Charles L. Baldwin and Robert S. Runkle in 1966, serves as a universal warning sign for the presence of hazardous materials.