Allergies may be triggered by certain bacteria that are more common in the fall months, causing babies born during this time to have a higher risk of developing allergies, researchers think.

The findings are published in “The Journal of Allergy and Clinical Immunology: In Practice.”

Infants with eczema often go on to develop food allergies, asthma and hay fever in a reaction known as the atopic march.

“It’s a phenomenon that we see in the allergy world where, classically, infants first develop eczema — they have itchy, red patches of dry skin,” and that allows allergens and pathogens to go through the broken skin barrier, said Dr. Jessica Hui at National Jewish Health.

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