COVID vaccine study links shot to small increase in heart, brain conditions

The largest COVID vaccine study to date has identified some risks associated with the shot.  Researchers from the Global Vaccine Data Network (GVDN) in New Zealand analyzed 99 million people who received COVID vaccinations across eight countries.

They monitored for increases in 13 different medical conditions in the period after people received a COVID vaccine.

The study, which was published in the journal Vaccine last week, found that the vaccine was linked to a slight increase in neurological, blood and heart-related medical conditions, according to a press release from GVDN.  People who received certain types of mRNA vaccines were found to have a higher risk of myocarditis, which is inflammation of the heart muscle.  Some viral-vector vaccines were linked to a higher risk of blood clots in the brain, as well as an increased likelihood of Guillain-Barre syndrome, a neurological disorder in which the immune system attacks the nerves.

Other potential risks included inflammation of part of the spinal cord after viral vector vaccines, and inflammation and swelling in the brain and spinal cord after viral vector and mRNA vaccines, the press release stated. “The size of the population in this study increased the possibility of identifying rare potential vaccine safety signals,” lead author Kristyna Faksova of the Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark, said in the release.  “Single sites or regions are unlikely to have a large enough population to detect very rare signals.”

Dr. Marc Siegel, clinical professor of medicine at NYU Langone Medical Center and a Fox News medical contributor, was not involved in the research but commented on the findings.                       (Fox News) 

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