WASHINGTON — A 47-year-old New Jersey man has become the first documented death from alpha-gal syndrome, , according to a

The airline pilot died in September 2024 after eating a hamburger at a backyard cookout, approximately four hours after his meal. His son discovered him unconscious on the bathroom floor at 7:37 p.m., surrounded by vomit. He could not be revived.

An initial autopsy found no evidence of heart attack or other obvious causes, ruling the death "sudden and unexplained." But months of detective work by researchers at the revealed the previously healthy man had suffered fatal anaphylaxis from alpha-gal syndrome.

The fatal reaction came two weeks after a similar but less severe episode. During a family camping trip in summer 2024, the man ate steak at 10 p.m. and woke at 2 a

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