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Kärber Calculation: Virus Titer = L + d(S − 0.5) L = 1st dilution on the plate D = difference between log dilution steps (0.6) S = sum of wells showing CPE/total no. of wells per dilution 0.5 = constant |
Serum Titer = L + d(S − 0.5) L = 1st dilution on the plate D = difference between log dilution steps (0.3) S = sum of wells showing no CPE/total no. of wells per dilution 0.5 = constant |