Grading |
Biohazard Height |
In Conclusion |
Level 1 |
Low individual hazards, low group hazards |
Low harm to human body, animals and plants or the environment, without pathogenic factors for healthy adults, animals and plants |
Level 2 |
Medium individual hazard, limited group hazard |
It is a moderately harmful or potentially dangerous pathogenic factor to human body, animals and plants or the environment. It will not cause serious harm to healthy adults, animals and plants, and has effective prevention and treatment measures. |
Level 3 |
High individual hazard, low group hazard |
Highly harmful to the human body, animals and plants or the environment, causing serious or even fatal diseases through direct contact or aerosol, or pathogenic factors that are highly harmful to animals, plants and the environment.Usually by preventive and therapeutic measures |
Level 4 |
High individual hazard, high group hazard |
Highly harmful to human body, animals, plants or environment, spread through aerosol or unknown transmission route, unknown, highly dangerous pathogenic factors. No preventive and therapeutic measures |