World health report

Chapter 4

Learning lessons, thinking ahead

This chapter is devoted to potential public health emergencies of international concern, the most feared of which remains pandemic influenza. The response to this threat has already been proactive and has been a rare opportunity to prepare for a pandemic, and possibly to prevent the threat becoming a reality.

In this chapter

  • Pandemic influenza: the most feared security threat
    • WHO’s strategic action plan for pandemic influenza
  • Extensively drug-resistant tuberculosis
  • Managing the risks and consequences of the international spread of polio