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Andromeda strain

noun

an infectious pathogen that mutates unpredictably into new forms and shows extreme resistance to destruction by conventional means.

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Origin of Andromeda strain

First recorded in 1970–75; after such a pathogen in a novel of the same name (1969) by U.S. author Michael Crichton (born 1942)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019