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 1 blind passage, cytopathic effects were clearly visible in [approximately equal to] 80% of the cells.
Mutations of novel influenza A(H10N8) virus in chicken eggs and MDCK cells
Two cultures (ArEq001 and ArEq003) showed CPEs on day 7 postinoculation of the original isolation; in the third culture (ArEq002), CPEs were observed only after the blind passage on day 7 after inoculation.
West Nile virus isolation from equines in Argentina, 2006
One additional blind passage was performed if CPE was not observed during the first passage.
Acute hemorrhagic conjunctivitis and coxsackievirus A24v, Rio de Janeiro, Brazil, 2004
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