The plaque assay was first described for titration of bacterial inoculums and clonal isolation, and was later adapted for testing antibiotics susceptibility and to study virulence factors and ...

The FCC assay can be used to study CTL-mediated killing ... Mice were infected with 2 × 10 5 plaque-forming units (p.f.u.) of LCMV Armstrong strain (provided by R. Ahmed) intraperitoneally ...