has part has part realizes is about is_specified_output_of concretizes cell growth assay evidence plaque assay evidence 2018-03-14T12:44:11Z OMP A type of cell growth assay evidence resulting in direct quantification of infectious virons and antiviral substances through the counting of discrete plaques (infectious units and cellular dead zones) in cell culture. ECO:0007039 snadendla response to biotic stimulus assay in container assay in vitro design experimental infection of cell culture