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A new study on COVID-19 vaccines that looked at nearly 100 million vaccinated individuals affirmed the vaccines’ previously observed links to increased risks for certain adverse effects including myocarditis and Guillain-Barré syndrome.
The researchers noted in their analysis that COVID-19 infections have consistently been found to be more likely to cause the conditions observed in this study than vaccinations, adding that factor should be considered when weight the risk-to-benefit ratio of immunization.
The study was conducted by the Global COVID Vaccine Safety project and took into account 99,068,901 vaccinated individuals across eight countries: Argentina, Australia, Canada, Denmark, Finland, France, New Zealand and Scotland.
The report specifically looked at adverse events following administration of the Pfizer, Moderna and AstraZeneca vaccines.
The researchers looked for 13 adverse events of special interest that occurred in vaccine recipients for up to 42 days after shots were administered. These conditions included Guillain-Barré syndrome, Bell’s palsy, convulsions, myocarditis and pericarditis.
The researchers noted in their analysis that COVID-19 infections have consistently been found to be more likely to cause the conditions observed in this study than vaccinations, adding that factor should be considered when weight the risk-to-benefit ratio of immunization.
The study was conducted by the Global COVID Vaccine Safety project and took into account 99,068,901 vaccinated individuals across eight countries: Argentina, Australia, Canada, Denmark, Finland, France, New Zealand and Scotland.
The report specifically looked at adverse events following administration of the Pfizer, Moderna and AstraZeneca vaccines.
The researchers looked for 13 adverse events of special interest that occurred in vaccine recipients for up to 42 days after shots were administered. These conditions included Guillain-Barré syndrome, Bell’s palsy, convulsions, myocarditis and pericarditis.
Largest multicountry COVID study links vaccines to potential adverse effects
A new study on COVID-19 vaccines that looked at nearly 100 million vaccinated individuals affirmed the vaccines’ previously observed links to increased risks for certain adverse effects inclu…
thehill.com