Meaning of P2 laboratory P2 PCR Biosafety Laboratory:
Refers to a classification of the safety level of biological laboratories. Among all kinds of laboratories, P2 laboratory is the most widely used biosafety laboratory. The levels of biological laboratory are P1, P2, P3, and P4. According to the nature of the laboratory to choose the corresponding level. The World Health Organization (WHO) divides infectious microorganisms into 4 categories according to their pathogenicity and risk of infection; according to equipment and technical conditions, biological laboratories are also divided into 4 levels (generally called P1, P2, P3) , P4 laboratory), level 1 is the lowest, level 4 is the highest. The P1 laboratory is generally suitable for microorganisms that have no pathogenic effect on healthy adults; the P2 laboratory is suitable for microorganisms with moderate potential harm to humans and the environment; the P3 laboratory is suitable for serious or even serious infections mainly through the respiratory route. The pathogenic microorganisms or their toxins of fatal diseases; P4 laboratory is suitable for pathogenic microorganisms or their toxins that are highly dangerous to the human body, transmitted through aerosols or unknown, and there is no effective vaccine or treatment method.
P2 experiment use:
It is mainly used for primary health services, diagnosis and research. The hazard level of the experimental subjects is II (medium individual hazard, limited group hazard), which is specifically defined as "can cause disease in humans or animals, but generally affect health workers and groups , Livestock or the environment will not cause serious harm to pathogens. Laboratory infections do not cause serious diseases, effective treatment and preventive measures are available, and the risk of transmission is limited."
The national standard "Technical Specifications for Building Biosafety Laboratories" stipulates the following technical indicators (static) for the BLS-2 laboratory:
1. Cleanliness: no requirement
2. The pressure difference of the adjacent room with the outdoor direction: -20Pa
3. Temperature: 18-27℃
4. Relative humidity: 30-70%
5. Minimum illumination: 300LX
The above indicators are the minimum requirements for establishing a P2 laboratory. The builder can appropriately increase the corresponding indicators according to actual needs, such as cleanliness, pressure difference and other requirements.
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