Front Matter -- Independent Report Reviewers -- Preface -- Acknowledgments -- Contents -- Summary -- 1 Introduction -- 2 Understanding the Risk of Influenza to Healthcare Workers -- 3 Designing and Engineering Effective PPE -- 4 Using PPE: Individual and Institutional Issues -- 5 Certifying and Regulating Healthcare PPE: Defining an Integrated System -- 6 Moving Forward with Urgency -- Appendixes -- Appendix A: Workshop Agenda -- Appendix B: Acronyms -- Appendix C: PPE-Related Standards and Regulations -- Appendix D: Standing Committee on Personal Protective Equipment in the Workplace and Board on Health Sciences Policy -- Appendix E: Committee and Staff Biographies.