Environmental exposure to peanut and the risk of an allergic reaction

• Data have shown that peanut butter vapors and smeared peanut butter on skin do not cause systemic reactions; that peanut can be abated from hands and surfaces using appropriate cleaning agents; and that shelled peanut dust does not become airborne• Recent data have suggested that a dose of 1.5mg peanut protein would be generally tolerated by about 95% of the peanut allergic population based on objective symptoms in challenge-based studies• Restrictive policies that focus on bans (or restricted presence in certain areas) of peanuts or peanut-containing products in environments such as schools or on commercial aircraft are not backed by evidence that such measures work

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