Title: New Study Reveals How mRNA Vaccines Circulate and Break Down in Human Blood
A recent study by researchers at the Doherty Institute has shed light on the circulation and breakdown of mRNA vaccines in the human body. The study, published in Nature Nanotechnology, provides the first detailed analysis of how these vaccines behave in the bloodstream.
The mRNA vaccines, like those developed by Pfizer-BioNTech and Moderna, work by instructing cells to produce a harmless piece of the ‘spike protein’ found on the surface of the SARS-CoV-2 virus. This triggers an immune response in the body, producing antibodies and helping to protect against COVID-19.
How mRNA Vaccines Circulate in the Body
Contrary to popular misinformation, the study found that a small amount of the vaccine does enter the bloodstream after injection. This varies among individuals, which could explain some of the side effects such as fever, headaches, and fatigue reported after vaccination.
Dr. Julian Druce, one of the study’s authors, explained, "We found that the vaccine particles are designed to remain in the lymph nodes to produce antibodies, but a small amount does enter the bloodstream."
A 2022 article published in Nebraska Medicine further broke down this process. The vaccines primarily stay close to the injection site (the muscles in the arm) and local lymph nodes, producing white blood cells and antibodies to protect against the virus. Lymph nodes also filter fluids and remove waste material.
Where mRNA Vaccines Go and How Long They Stay
The study discovered that trace amounts of mRNA vaccines and spike proteins can be detected in breast milk up to 45 hours after vaccination. In another study, conducted on deceased individuals who were vaccinated shortly before their deaths, traces of mRNA were found in lymphatic nodes and the heart up to 30 days after vaccination.
While these findings suggest that mRNA vaccines do enter the bloodstream and other organs, it’s important to note that their effects on human blood are still not fully understood. The main function of these vaccines is to trigger an immune response, not to circulate indefinitely in the bloodstream.
Debunking Myths About mRNA Vaccines and COVID-19
Numerous Facebook posts and articles have spread misinformation about mRNA vaccines, including claims that they don’t enter the bloodstream or that getting vaccinated means you can’t get or transmit COVID-19. These assertions are false.
No vaccine is 100% effective in preventing infection or transmission of a disease. Vaccines, including those for COVID-19, aim to reduce severe illness, hospitalization, and death. They have been approved by regulatory bodies like the European Medicines Agency (EMA) after rigorous testing and monitoring.
Why Accurate Information Matters
Dispelling these myths is crucial. The World Health Organization has warned that misinformation about vaccines is putting lives at risk. It’s essential to rely on credible sources for health information and to share accurate, verified data to combat the spread of false narratives.
In conclusion, the Doherty Institute study provides valuable insights into how mRNA vaccines behave in the human body. Despite some misinformation, these vaccines have proven effective in protecting against COVID-19 and have been approved by regulatory bodies worldwide. Staying informed with accurate, reliable sources is key to public health.
Sources:
- The Doherty Institute
- Nebraska Medicine
- The World Health Organization
- The European Medicines Agency (EMA)
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