Research Article

Influenza A Virus and Influenza B Virus Can Induce Apoptosis via Intrinsic or Extrinsic Pathways and Also via NF-κB in a Time and Dose Dependent Manner

Figure 2

(a) Cytopathogenicity of MDCK II cells to an influenza A and B viruses infection at 24 and 48 hours after infection. (b) The delayed onset of cytopathogenicity by H3N2 (10x magnification).
(a) MDCK II
(b) H3N2