What is the term anaphylaxis derived from?

Updated: May 16, 2018
  • Author: S Shahzad Mustafa, MD; Chief Editor: Michael A Kaliner, MD  more...
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Portier and Richet first coined the term anaphylaxis in 1902 when a second vaccinating dose of sea anemone toxin caused a dog’s death. The term is derived from the Greek words ana - (“up, back, again”) and phylaxis (“guarding, protection, immunity”).

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