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Novel, Real-Time Cell Analysis for Measuring Viral Cytopathogenesis and the Efficacy of Neutralizing Antibodies to the 2009 Influenza A (H1N1) Virus

Figure 3

Typical results of real-time neutralization tests against SH37T.

CPE kinetic patterns of MDCK cells inoculated with 100 TCID50 virus incubated with a series dilution of sera samples. Antibody titers were calculated as a function of CI with a sequential dilution series of S0 (A), S1 (B), and S2 (C). The curve was an average of three independent replicate wells. At the indicated time point the cells were inoculated with the serial serum-virus mixture. Three replicate wells of 1280-fold diluted S2 treated cells showed different curves (D). Cell control: MDCK cells only; virus control: absence of test sera.

Figure 3

doi: https://doi.org/10.1371/journal.pone.0031965.g003