
1) Medical test
Found on
https://www.crosswordclues.com/clue/viral-culture

Viral culture is a laboratory test in which samples are placed with a cell type that the virus being tested for is able to infect. If the cells show changes, known as cytopathic effects, then the culture is positive. Traditional viral culture has been generally superseded by shell vial culture, in which the sample is centrifuged onto a single laye...
Found on
http://en.wikipedia.org/wiki/Viral_culture

A collection of specimen for the purpose of incubating a virus for identification.
Found on
http://www.ada.org/glossaryforprofessionals.aspx

A viral culture is used to determine which virus is causing an infection. Because viruses can infect the brain, sometimes spinal fluid is sampled. Usually the specimen is taken from a vesicle that is beleived to be caused by a virus. Fluid from the vesicle or spinal fluid is sampled and sent to a special laboratory where the virus is grown in a spe...
Found on
https://www.encyclo.co.uk/local/21223
No exact match found.