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A biosafety level (BSL), or pathogen/protection level, is a set of biocontainment precautions required to isolate dangerous biological agents in an enclosed laboratory facility. The levels of containment range from the lowest biosafety level 1 (BSL-1) to the highest at level 4 (BSL-4).
Biosafety is the prevention of large-scale loss of biological integrity, focusing both on ecology and human health. [1] These prevention mechanisms include the conduction of regular reviews of biosafety in laboratory settings, as well as strict guidelines to follow. Biosafety is used to protect from harmful incidents.
The United States Centers for Disease Control and Prevention (CDC) categorizes various diseases in levels of biohazard, Level 1 being minimum risk and Level 4 being extreme risk. Laboratories and other facilities are categorized as BSL (Biosafety Level) 1–4 or as P1 through P4 for short (Pathogen or Protection Level). [citation needed]
The levels of containment range from the lowest biosafety level 1 (BSL-1) to the highest at level 4 (BSL-4). In the United States, the Centers for Disease Control and Prevention (CDC) have specified these levels. [8] In the European Union, the same biosafety levels are defined in a directive. [9]
It is interesting to highlight that ATCC considers that all Hafnia alvei strains belong to the Biosafety level 1 only. [25] Furthermore, Richard identified the presence of 10 8 viable cells per gram of cheese, which suggests a daily consumption of more than 10 9 bacteria per day (calculation based on a 30 g portion) indicating the good safety ...
A biosafety cabinet (BSC)—also called a biological safety cabinet or microbiological safety cabinet—is an enclosed, ventilated laboratory workspace for safely working with materials contaminated with (or potentially contaminated with) pathogens requiring a defined biosafety level.
Level 1 (National Qualifications Framework) level 1 cache, a type of CPU cache (Computer Memory) A Level I trauma center; Level 1, a level of automation in a self-driving car (see Autonomous car#Classification) Level I Environmental Site Assessment; Biosafety level 1, a laboratory grade; Level 1 market data
Biosafety level 4 laboratories (1 C, 33 P) Pages in category "Biological hazards" The following 25 pages are in this category, out of 25 total.