Scientists Reveal Dangerous Side Effects COVID-19 Vaccines.
In the largest global study on COVID-19 vaccine safety, researchers have identified potential associations between rare neurological, blood, and heart-related conditions and the vaccines.
Despite small increases in risk, the study, encompassing 99 million individuals across 8 nations, revealed concerning findings.
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While COVID-19 vaccines have demonstrated efficacy in preventing severe illness and fatalities, concerns regarding adverse effects have surfaced.
Particularly, mRNA vaccines like those from Pfizer, BioNTech, and Moderna have shown a higher risk of heart-related inflammation, notably myocarditis, post second doses, especially with Moderna.
Furthermore, specific adverse events linked to viral-vector vaccines, such as the Oxford-AstraZeneca vaccine, have been noted. These include an elevated risk of cerebral venous sinus thrombosis and Guillain-Barre syndrome.
Notably, the Oxford vaccine has shown a more significant increase in Guillain-Barre syndrome cases compared to mRNA vaccines.
Additionally, the study highlighted potential safety concerns related to conditions like transverse myelitis and acute disseminated encephalomyelitis, which involve inflammation of the spinal cord and brain, respectively.
These signals were observed following both viral-vector and mRNA vaccines.
In another investigation led by the Yale School of Medicine, more than 240 adults with chronic post-vaccination syndrome reported symptoms such as exercise intolerance, extreme fatigue, numbness, and cognitive issues.
Despite these findings, the underlying cause of the syndrome remains unclear, and standardized diagnostic tests or treatments are currently unavailable.
Principal investigator Harlan Krumholz from the Yale New Haven Hospital Center for Outcomes Research and Evaluation stressed the importance of understanding these adverse events to alleviate suffering and enhance vaccine safety.
He acknowledged the life-saving benefits of vaccines while emphasizing the need to address concerns raised by individuals experiencing adverse effects.
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