blind passage


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blind passage

[′blīnd ′pas·ij]
(microbiology)
Transfer of some material from an inoculated animal or cell culture that does not exhibit evidence of infection, to a fresh animal or cell culture.
References in periodicals archive ?
Second and third blind passages were performed in C6/36 and African green monkey kidney (Vero) cells, respectively.
Cultures that was negative for virus growth by CPE after initial inoculation and one blind passage were then tested by PCR and Western blot.