Spontaneous Reports of Adverse Reactions with Fatal Outcomes After COVID-19 Vaccination During the National Vaccination Campaign in Sweden

  • 0Use and Information Division, Swedish Medical Products Agency, PO Box 26, 751 03, Uppsala, Sweden.

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Summary

This summary is machine-generated.

Fatal adverse drug reactions following COVID-19 vaccination were very rare in Sweden. Most fatalities were linked to pre-existing conditions, with few causally associated with the vaccines.

Area Of Science

  • Pharmacovigilance and vaccine safety monitoring.
  • Public health and epidemiology of infectious diseases.

Background

  • Adverse drug reaction (ADR) reports are crucial for monitoring new vaccine safety.
  • Prompt identification of safety risks and mitigation measures are essential.

Purpose Of The Study

  • To review fatal ADR reports following COVID-19 vaccination in Sweden.
  • To assess the safety of Comirnaty®, Spikevax®, and Vaxzevria® vaccines.

Main Methods

  • Retrieved fatal ADR reports from EudraVigilance and vaccination data from the National vaccination register.
  • Calculated reporting rates per vaccinated person and per vaccine dose administered.
  • Conducted causality assessments by qualified reviewers.

Main Results

  • Over 26 million vaccine doses administered; 456 fatal ADR reports received.
  • Reporting rate of 5.7 per 100,000 persons or 1.7 per 100,000 doses.
  • Most fatalities linked to pre-existing conditions, especially in those ≥70 years.
  • Only 10 fatalities (0.1 per 100,000) causally associated with COVID-19 vaccination.

Conclusions

  • Fatal adverse drug reactions post-COVID-19 vaccination in Sweden were extremely rare.
  • No novel safety concerns were identified during the study period.

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