Final answer:
OSHA has issued special guidelines for Personal Protective Equipment (PPE) usage in response to concerns about pandemic diseases, emphasizing it as a critical safety measure for workers, especially in healthcare settings.
Step-by-step explanation:
Current concerns about pandemic diseases, such as the COVID-19 pandemic, have indeed prompted the Occupational Safety and Health Administration (OSHA) to issue special guidelines. Among the options provided, OSHA particularly emphasizes the importance of Personal Protective Equipment (PPE) usage. OSHA has a detailed Personal Protective Equipment fact sheet which outlines the vital role of PPE in safeguarding workers, particularly during a pandemic. According to OSHA, employers must prioritize the elimination or reduction of hazards via feasible changes in working conditions like ventilation systems or safer chemicals before relying solely on PPE. However, in the face of direct exposure to infectious diseases, as seen with frontline medical personnel, PPE becomes essential in providing an additional layer of defense.
Therefore, the answer to the question, "Current concerns about pandemic diseases have caused OSHA to issue special guidelines for," is C) Personal protective equipment (PPE) usage.