Published in The Lancet on Monday, the most commonly reported serious side effect was shortness of breath.
Other vaccine side effects reported were headache, fever and chills.
The study is an analysis of the first six months of the US vaccination program and comes in light of statistics showing that 4,500 people have died through June 2021 after being vaccinated.
However, after a thorough analysis, the study confirms that there is no link between the vaccine and the death of these people.
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Further, the study concludes, “Safety data from more than 298 million doses of COVID-19 mRNA vaccine administered during the first six months of the U.S. immunization program show that most reported adverse events were mild and of short duration.
“Vaccines are the most effective tool to prevent severe consequences of COVID-19 disease and the benefits of vaccination in preventing severe morbidity and mortality strongly favor vaccination.”
The study goes on to say that the scientists “will continue to provide the data needed to inform policy makers, vaccination providers, other healthcare professionals, and the public about the safety of COVID-19 vaccination.”
The data in this report comes amid growing protests in the US over remaining Covid restrictions.
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Meanwhile, in the UK, the remaining Covid restrictions were lifted at the end of February.
This included removing the legal requirement for someone to self-isolate once they tested positive.
This marks a dramatic change from other countries that still have restrictions in place.
Also, from April 1, free testing will end.
Although there are no restrictions in the UK, scientists continue to learn about the impact of the disease on the human body.
Recently they discovered how it affects the brain.
In a groundbreaking study led by the University of Oxford, COVID-19 has been found to cause the brain to shrink and damage tissue in regions associated with the ability to smell.
The effects were found to be most profound in older participants and those who were hospitalized by Covid.
The results of the study have been published in the journal Nature.
Further research is needed to determine if these changes are permanent or reversible, with Professor Gwenaelle Douaud saying: “The brain is plastic, which means it can reorganize and heal itself to some degree”.
Lead researcher Dr Kenneth Baille added: “It is now true to say that we understand the mechanisms of Covid better than the other syndromes we normally treat in intensive care.”
For more information on current Covid advice and symptoms, contact the NHS or see the advice on the government website.