I am admittedly not a virology expert but my understanding is TCID50 signifies the concentration at which 50% of the cells are infected when the sample is inocu

I am admittedly not a virology expert but my understanding is TCID50 signifies the concentration at which 50% of the cells are infected when the sample is inoculated with a diluted solution of viral fluid. Ripped straight from https://www.bio-rad.com/en-us/life-science-research/overlay/analytical-sensitivity-lod?ID=Analytical_1610048637 https://www.bio-rad.com/en-us/life-science-research/overlay/...