Fig. 2.

Cytopathic effects of avian influenza A H7N9 virus-infected human brain cells. Morphological examination of differentiated human T98G and SH-SY5Y cells after influenza A virus infection. Cells were infected with two strains of influenza A pdmH1N1 viruses and avian H7N9 virus at a MOI of 2. Cytopathic effects such as cell rounding, vacuolation and cell detachment were determined at 24 h after infection. Scale bar, 20 μm