Figure 3

Caspase activity after ISAV infection. Caspase 3/7 activity, expressed as slope of relative luminescence units (RLU)/hour (h)/well in control or ISAV infected (ISAV 2, 4, 7 and 10) SHK-1 (A), TO (B), and ASK (C) cells, on days 1, 3, 5, 7 and 9 p.i.