Figure 2.
Effects of H9N2 influenza virus infection (MOI 2.0) on viability of HeLa, HepG2, and A549 cells were determined by MTT assay. The ∗ indicates significant differences (P < 0.05) from the mock cells at the same time after infection.
Effects of H9N2 influenza virus infection (MOI 2.0) on viability of HeLa, HepG2, and A549 cells were determined by MTT assay. The ∗ indicates significant differences (P < 0.05) from the mock cells at the same time after infection.