In 2017, guidelines about when to feed peanuts to infants changed to recommend early feeding by 4 to 6 months of age depending on 3 risk levels, but these allergy prevention strategies are still not widespread, according to Ruchi Gupta, MD, MPH, professor of pediatrics and medicine, Northwestern Feinberg School of Medicine, who discussed the topic at the 2021 ACAAI Annual Scientific Meeting.