Question Number: 159
PDR Number: SQ22-000528
Date Submitted: 21/11/2022
Department or Body: Department of Health
The WHO causality assessment process for individual serious adverse events following immunisation (AEFI) is designed to be a systematic, standardized global causality assessment process. This method is used to discuss and compare the strength of evidence from adverse event data from across the world. It is not a product or technology-specific investigation and can be applied to all vaccines, including mRNA vaccines.
