A new COVID-19 vaccine study published last week linked the vaccine with an increased risk of heart, brain, and blood-related medical disorders.
The new study, which is the largest COVID-19 vaccine study to date, was conducted by the Global Vaccine Data Network (GVDN) in New Zealand and analyzed 99 million individuals who received COVID-19 vaccinations in eight different countries. The study monitored 13 different potential medical conditions in the individuals after they received a COVID-19 vaccination.
GVDN researchers concluded that the COVID-19 vaccine was linked to a small increase in heart, blood, and brain disorders. For example, some of the individuals who received mRNA vaccines had an increased risk of myocarditis, which is an inflammation of the heart muscle, while some individuals who received viral-vector vaccines had an increased risk of blood clots in the brain and an increased risk of Guillain-Barre syndrome, which is a brain disorder that causes the immune system to attack the body’s nerves.
The GVDN study also linked increased risks of spinal cord inflammation to viral vector vaccines and increased risks of swelling and inflammation in both the brain and spinal cord to mRNA and viral vector vaccines.
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According to the Centers for Disease Control and Prevention, 81.4% of the U.S. population has had at least one COVID-19 vaccine. Unlike other vaccine studies, the GVDN study was able to identify “potential vaccine safety signals” due to the large sample size of the data.
“The size of the population in this study increased the possibility of identifying rare potential vaccine safety signals,” said Kristýna Faksová of the Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark, the lead author of the report. “Single sites or regions are unlikely to have a large enough population to detect very rare signals.”
Following the publication of the link between COVID-19 vaccines and heart, brain, and blood disorders, Dr. Marc Siegel, an NYU Langone Medical Center clinical professor of medicine, emphasized to Fox News that all vaccines have the potential for side effects.
“It always comes down to a risk/benefit analysis of what you are more afraid of — the vaccine’s side effects or the virus itself, which can have long-term side effects in terms of brain fog, fatigue, cough and also heart issues,” he said.
