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Billions of doses later: Global review confirms mRNA vaccines safe and effective

Hacker News · Jul 2, 2026, 12:40 AM

Key takeaways

  • Anna Blakney, assistant professor at UBC’s Michael Smith Laboratories and School of Biomedical Engineering.
  • Published today in The Lancet, the review draws on laboratory science, clinical trials and real-world effectiveness data to provide one of the most comprehensive assessments of mRNA vaccines to date.
  • “After billions of doses, we now have an extraordinary amount of scientific evidence,” said lead author Dr.

Climate & Environment Health & Medicine Science & Technology Society & Culture University News About News and University Affairs Contact For Journalists For Faculty Search Subscribe Search SECTIONS Climate & Environment Health & Medicine Science & Technology Society & Culture University News ABOUT News and University Affairs Contact For Journalists For Faculty Subscribe Health & Medicine Billions of doses later: Global review confirms m RNA vaccines are safe, effective and full of promise Comprehensive review brings together global evidence to strengthen public trust and counter misinformation as mRNA vaccines expand to prevent and treat more diseases.

Dr. Anna Blakney, assistant professor at UBC’s Michael Smith Laboratories and School of Biomedical Engineering. Photo credit: Paul Joseph/UBC Communications.

A sweeping global review led by researchers at the University of British Columbia has found that mRNA vaccines—now administered billions of times worldwide—are safe and highly effective at preventing infectious diseases like COVID-19, and have potential applications for a range of other diseases, including influenza, RSV, cancer and autoimmune disorders.

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