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 ?
After three blind passages in new monolayers of Vero E6 cells, the presence of hantaviral antigens was tested by IFA with serum samples from seropositive Chilean HPS patients.