What biosafety level is typically used for diagnostic handling of poliovirus?

• A. Biosafety Level 1
• B. Biosafety Level 2 with additional precautions as required
• C. Biosafety Level 3
• D. Biosafety Level 2 with higher containment for cultures

Answer: (D)

Poliovirus is a Risk Group 2 agent, so safety measures match a level of containment appropriate for handling infectious materials while balancing practicality in diagnostic work. For diagnostic handling, laboratories use Biosafety Level 2 with enhanced containment and practices, especially when there is potential to generate aerosols or when working with viral cultures. This ensures adequate protection for personnel and limits the chance of environmental release, without stepping up to the more stringent requirements of Biosafety Level 3. The described standard—Biosafety Level 2 with higher containment for cultures—best fits typical diagnostic workflows for poliovirus, covering both routine diagnostic handling and the added precautions needed when cultures are involved.