This document discusses business planning considerations for the 2009-2010 influenza season. It provides updates on the seasonal flu vaccine shortage and the new H1N1 vaccine. It recommends that businesses implement infection prevention measures like hand washing, encourage staff to get vaccinated, and develop pandemic plans to minimize business disruptions from staff absences. Businesses should clearly communicate sick policies, check on staff daily, and have communications plans in place to update staff and customers during a flu outbreak.