AEFI surveillance components

This section describes the objectives of AEFI surveillance, which adverse events should be reported and by whom. Next we discuss how AEFI reports are generated, and how AEFI reports from health workers lead to investigation and action at the highest levels of responsibility in the National regulatory authority (NRA), the ministry of health and international organizations such as WHO and UNICEF. You will see an example of this reporting flow in action in the case study that follows Module 5.


The objectives for an effective AEFI surveillance system are to:

The following pages describe the following components of AEFI surveillance:

  • Detection and reporting,
  • Investigation,
  • Causality assessment of AEFIs,
  • Risk/benefit assessment.

You will be introduced to the stakeholders involved in these processes, and their respective responsibilities.