English

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Etymology

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Initialism. The TO originally stood for "toxoplasmosis" but is now understood as "toxoplasmosis and other infections".

Noun

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TORCH complex (uncountable)

 
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  1. (medicine) A set of perinatal infections that can lead to anomalies or fetal loss: toxoplasmosis, other infections, rubella, cytomegalovirus, and herpes simplex virus-2.