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Billions of doses later: Global review confirms mRNA vaccines are safe, effective and full of promise

The review found 87% effectiveness against infection and 94% against mortality, while rare heart side effects were far less common than COVID risks.

  • Published Tuesday in The Lancet, a comprehensive review affirms mRNA COVID-19 vaccines are safe and highly effective, with data from billions of doses confirming protection across diverse populations including children.
  • Unlike traditional vaccines, mRNA technology delivers genetic instructions prompting cells to produce harmless spike proteins, teaching the immune system to recognize and destroy the virus.
  • Data shows 87% effectiveness against infection and 94% against mortality, with 93% protection against hospitalization, while rare heart-related side effects were significantly lower than risks from a SARS-CoV-2 infection.
  • Co-Author Manish Sadarangani of the Hospital Research Institute noted the resource clarifies vaccine history, and mRNA platforms could soon drive progress in preventive medicine including cancer treatment.
  • In Quebec and Alberta, residents may pay up to $180 for shots this year, emphasizing that while researchers explore future applications, equitable access remains critical for the technology's promise.
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The development of the Vakzin, accelerated by the Covid pandemic, is certain. This is also gratifying because there is much more potential in the technology.

·Vienna, Austria
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  • 43% of the sources lean Left, 43% of the sources are Center
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udgtv broke the news on Tuesday, June 30, 2026.
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