Select agent

A select agent is a biological agent or toxin that has been determined by the United States government to have the potential to pose a severe threat to public health and safety, to animal or plant health, or to animal or plant products. These agents are subject to strict regulations and oversight to prevent their misuse, particularly in the context of bioterrorism.

Overview

The concept of select agents was established to ensure that certain pathogens and toxins are handled with the highest level of security and safety. The Centers for Disease Control and Prevention (CDC) and the Animal and Plant Health Inspection Service (APHIS) are the primary agencies responsible for regulating select agents in the United States.

History

The regulation of select agents began in earnest following the Bioterrorism Act of 2002, which was enacted in response to the anthrax attacks of 2001. This legislation mandated the creation of a list of select agents and toxins, and established the framework for their regulation.

Criteria for Selection

Agents are classified as select agents based on several criteria, including:

• Their potential to pose a severe threat to public health and safety.
• Their potential to cause serious harm to animal or plant health.
• Their potential to be used as a bioterrorism weapon.

Examples of Select Agents

Some well-known select agents include:

• Bacillus anthracis, the bacterium that causes anthrax.
• Yersinia pestis, the bacterium responsible for plague.
• Botulinum toxin, a potent neurotoxin produced by the bacterium Clostridium botulinum.

Regulations and Compliance

Entities that possess, use, or transfer select agents must register with the CDC or APHIS and comply with strict security measures. These measures include:

• Background checks for personnel with access to select agents.
• Secure storage and handling protocols.
• Detailed record-keeping and reporting requirements.

Failure to comply with these regulations can result in severe penalties, including fines and imprisonment.

Research and Development

Research involving select agents is critical for developing vaccines, diagnostics, and treatments for diseases caused by these agents. However, such research must be conducted in high-containment laboratories, such as Biosafety Level 3 (BSL-3) or Biosafety Level 4 (BSL-4) facilities, depending on the agent.

Also see

• Bioterrorism
• Biosafety level
• Centers for Disease Control and Prevention
• Animal and Plant Health Inspection Service
• Biological warfare