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What to know about alpha-gal syndrome, the dangerous meat allergy caused by tick bites

Alpha-gal syndrome is a meat allergy triggered by certain tick bites. This condition causes allergic reactions to red meat and related products, and reactions can be life-threatening. Health officials are currently increasing awareness as cases rise.

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What changed

New reports indicate the condition is on the rise and spreading across Massachusetts.

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  1. Alpha-gal Syndrome: The Tick-Borne Red Meat Allergy

    Alpha-gal syndrome is a meat allergy triggered by certain tick bites. This condition causes allergic reactions to red meat and related products, and reactions can be life-threatening. Health officials are currently increasing awareness as cases rise.

    What's confirmed:

    • Alpha-gal syndrome is a meat allergy triggered by tick bites.
    • The condition causes allergic reactions to red meat and products made with it.
    • Reactions can be life-threatening.
    • The syndrome mostly affects adults.
    • Health officials are raising awareness about alpha-gal syndrome.

    Still unconfirmed:

    • The condition may result from bites of parasites other than ticks.
    • Pigs are being engineered to fight alpha-gal syndrome.
    • The syndrome is spreading across Massachusetts.
    • Ticks in South Dakota are linked to the meat allergy.
    • The condition is on the rise.
    confidence 90%