NEJM Article-Anaphylaxis from Passive Transfer of Peanut Allergen in a Blood Product

The New England Journal of Medicine has published a report of a 6 year old boy who ended up with a full blown anaphylactic reaction to peanuts after receiving blood from a transfusion, from donors who had consumed peanuts the night before donating blood.  Please click on link to read full New England Journal of Medicine article at:

From an MSNBC report on the same topic: “The boy’s existing allergy was sparked by the tainted blood, but other patients actually have developed new allergies after receiving blood from affected donors.  In 2007, for instance, an 80-year-old woman who’d recently received blood developed an anaphylactic reaction within minutes of eating peanut butter, according to a report in the journal Current Allergy and Asthma Reports. She’d never been allergic before, but two days earlier she’d been transfused with two units of blood from a 19-year-old donor who turned out to have a severe peanut allergy.  It’s not clear how often blood products trigger allergic reactions, and a leading U.S. blood expert says he can recall only sporadic reports.” for full article:

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