Biosafety levels (BSL-1, BSL-2, BSL-3 and BSL-4) – Primary and Secondary Barriers, Agents
Biosafety refers to the practices and precautions taken to prevent harmful biological agents—like viruses, bacteria, or toxins—from accidentally harming people, animals, or the environment. Think of it as a set of rules and tools scientists use to stay safe while working with dangerous germs. To organize these safety measures, experts created biosafety levels (BSL), which range … Read more