Food Allergy Is Linked to Lower Risk of COVID-19 Infection

Key Takeaways

  • People with meals allergy symptoms had an almost 50% decrease incidence of COVID-19 an infection, in accordance with a brand new research.
  • Participants with different allergy symptoms comparable to hay fever, eczema, and bronchial asthma didn’t present a lowered threat of an infection.
  • Researchers speculated that sort 2 irritation, an immune response widespread in allergic situations, might cut back the quantity of ACE2 receptors on the floor of respiratory cells.

Surprises proceed to pop up as scientists be taught extra about COVID-19 and who’s most weak to the virus. A current research discovered that folks with meals allergy symptoms are much less more likely to be contaminated by COVID-19 than these with out the allergy symptoms.

The research, funded by the National Institutes of Health, urged that the chance of COVID-19 an infection was decrease solely amongst folks with meals allergy symptoms, however not amongst these with bronchial asthma or allergic rhinitis (often known as hay fever).

Researchers monitored practically 1,400 households, and about half of the members had reported having meals allergy symptoms, allergic rhinitis, eczema, or bronchial asthma.

From May 2020 to February 2021, the researchers carried out nasal swabs of all members each two weeks. If somebody exhibited signs of COVID-19, further swabs and blood work had been taken.

People who had an present meals allergy had an almost 50% decrease incidence of COVID-19 an infection, whereas these with different allergic situations weren’t related to lowered dangers.

Kirk Sperber, MD, an allergist on the White Plains Hospital, informed Verywell that earlier research have confirmed that bronchial asthma doesn’t enhance the chance of COVID-19 an infection, however the findings on meals allergy symptoms had been “unexpected.”

The research authors speculated that sort 2 irritation, an immune response widespread in allergic situations, might cut back the quantity of ACE2 receptors on the floor of respiratory cells. Since these ACE2 receptors function an essential entry level for the COVID-19 virus, fewer receptors would imply that it’s harder for the virus to enter the physique.

However, sort 2 irritation additionally exists in folks with eczema and a few forms of bronchial asthma. The researchers stated that folks with meals allergy symptoms might have prevented consuming out at eating places and had decrease an infection dangers, though their neighborhood publicity was solely barely lower than the opposite teams within the research.

The research additionally famous that the members with meals allergy symptoms had been additionally allergic to 3 occasions as many allergens as those that had no meals allergy.

Top Food Allergens

The high 9 meals allergens are peanuts, eggs, milk, tree nuts, sesame, wheat, soy, fish, and shellfish. However, there are greater than 160 identified meals allergens.

Katie Marks-Cogan, MD, a board-certified allergist primarily based in Los Angeles who’s unaffiliated with the research, stated that individuals who have meals allergy symptoms may have some variations of their microbiome or immune system.

“When you have a food allergy, your body is defending or overreacting by making certain antibodies to a specific protein,” Marks-Cogan informed Verywell.

She stated that whereas this research might supply slight reduction to those that have intense meals allergy symptoms, having meals intolerances isn’t the identical.

When persons are allergic to sure proteins, they could escape in hives, swell, vomit, or have bother respiration, whereas an intolerance usually causes gastrointestinal misery.

While the research findings are fascinating, Marks-Cogan stated, folks with meals allergy symptoms ought to nonetheless get vaccinated and apply COVID-19 security measures, comparable to masking and social distancing.

What This Means For You

Regardless of your allergy symptoms, vaccination gives the most effective protection in opposition to COVID-19 an infection, particularly when mixed with acceptable masks and social distancing.

The data on this article is present as of the date listed, which suggests newer data could also be accessible whenever you learn this. For the latest updates on COVID-19, go to our coronavirus information web page.

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