Safety Update: COVID-19 Vaccines — Overview of National Reporting Experience — 20 May 2021

Notice type: Advisory

Date: 20/05/2021

The HPRA has published its latest safety update providing an overview of the national reporting experience of COVID-19 vaccines.  

Understanding the data presented within this safety update 

This update includes an overview of reports of suspected side effects notified to the HPRA safety monitoring system and is provided as an enhanced transparency measure for members of the public and healthcare professionals.

Reports included in the overview are those notified to the HPRA on a voluntary basis by healthcare professionals and members of the public. Reporting of all suspected side effects to COVID-19 vaccines ( is encouraged. Reports received by the HPRA from the companies (to date, BioNtech, Moderna, Astra Zeneca, Janssen) responsible for the vaccine are also included within this update.

This overview provides an up-to-date summary of the national reporting experience.

However, it is important to understand that conclusions on the safety of a vaccine cannot be drawn based on the information provided, given well-established and known limitations in interpreting such data in isolation.

To download the update, please click on the link below.

Safety Update COVID-19 Vaccines — Overview of National Reporting Experience (20052021)

The next HPRA Safety Update is due for publication on 17 June 2021.  

Product name or type:
COVID-19 Vaccines

Background Information Or Related Documents:
For information relating to the regulation of COVID-19 vaccines, please visit our COVID-19 Medicines and Vaccines webpage.

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