Final answer:
Sara should examine and potentially modify the sick leave policy when creating an infectious disease disaster plan, as it directly relates to employee health management during illness or outbreaks.
Step-by-step explanation:
As Sara, the HR Director, looks at implementing an infectious disease disaster plan, she should examine and possibly modify the D) Sick leave policy. This policy is directly related to how employees are managed during periods when they might be contagious or need to be absent from work due to illness. Modifications could include clearer guidelines on when to stay home, how to report illness, and potential adjustments to sick leave allowances to accommodate for longer recoveries or quarantine requirements. An effective sick leave policy is crucial for maintaining the health and safety of all employees and ensuring operational continuity during an outbreak.