A study resolves the controversy of the safety of Covid-19 vaccines in allergy sufferers




A large study of more than 50,000 people in the U.S. shows that vaccines from MRNA for Covid-19, like the Pfizer and Moderna, they are safe for those with a history of severe allergic reactions.

The study published in
«Jama Open»
, which analyzed the impact of these vaccines on 52,998 workers of the health care system of the
Hospital Mass General Brigham de Boston
, revealed that although people with such a history reported more allergic symptoms after vaccination, almost everyone could vacube completely.

In the study, all people reported a history of serious allergic reactions to medications, vaccines, or allergens.

The survey results showed that

the 11,6% of employees with this history claimed to have suffered some type of allergic reaction after receiving the first or second dose of a Covid-19 mRNA vaccine, compared to the 4,7% of employees without this history.

Have a history of allergies from high risk was associated with a relative risk 2.5 times higher than allergic reactions, especially urticaria and angioedema.

Most reported allergic symptoms did not prevent completion of the two-dose mRNA vaccine series

However, despite these symptoms, 5,1706 people (97.6%) received 2 doses of an mRNA vaccine.

‘The results of this study can help guide the expectations of patients with a history of high-risk allergy. Symptoms such as hives and swellingespecially with the first dose of the vaccine, but the majority of reported allergic symptoms did not prevent completion of the two-dose mRNA vaccine series, ”notes lead author Lily Li.

The findings also provide reassurance regarding the safety of mRNA vaccination, regardless of your allergy history.

“We hope these data will help inform those who are hesitant to get vaccinated due to concerns about their allergies,” says lead author Kimberly G. Blumenthal.

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