Cover of how are vaccines shown to be safe fact sheet


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Publication date: 
3 January 2018
Last updated: 
27 July 2018
Publication type: 
Fact Sheet
Intended audience: 
General public

This fact sheet is about how vaccines are shown to be safe.  

It provides information about:

  • how vaccines are tested
  • how side effects are detected
  • what happens if there is a suspected problem with a vaccine.