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The US Begins a Study to Assess Allergies to Pfizer and Moderna Images



Pfizer-BioNTech COVID-19 vaccines (left) and Moderna COVID-19 (right).

Matic Zorman | Getty Images

The National Institutes of Health said on Wednesday it has begun to look at why some people suffer from a severe allergic reaction after getting the vaccine. Pfizer-BioNTech and Moderna Covid-1

9 are not for long.

“People understand well that there are rare and severe allergic reactions to Moderna and Pfizer-BioNTech’s COVID-19 vaccine,” said Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, part of the NIH. Said in a statement

“The data gathered during these trials will help doctors advise people with severe allergic reactions or cellular mastic anomaly about the risks and benefits of both vaccines. For the most part, the benefits of getting the COVID-19 vaccine outweigh the risks, ”he says.

Medical experts say vaccine allergies are rare. But sometimes it can happen. Most of the severe and rare allergic reactions have occurred in people with a history of allergies, health officials said. Sudden allergic reactions usually occur within 4 hours of being vaccinated and can include symptoms such as hives, swelling, and breathlessness, according to the Centers for Disease Control and Prevention.

The NIH study enrolled 3,400 adults aged 18 to 69 at up to 35 Academic Allergy Research Centers nationwide. Participants were divided into groups and were randomized to receive the vaccine. Pfizer-BioNTech Vaccine Moderna placebo followed by vaccine. Pfizer-BioNTech Or a placebo followed by the Moderna vaccine

Alkis Togias, NIAID’s head of Allergy, Asthma, and Respiratory Biology told CNBC in December that researchers from the U.S. agency became interested in the rare phenomenon after a few people reported having a reaction. To Pfizer vaccine with allergy properties, which is severe An allergic reaction that can be life-threatening.

The CDC has asked health care providers to follow up with patients 15 minutes after vaccination and 30 minutes for people with a history of allergic reactions.

If someone has had a severe allergic reaction after the first dose of the Covid-19 vaccine, the CDC recommends that they do not receive a second dose of the vaccine, even if the allergic reaction is not severe enough to require emergency care.


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