<p>RMF and HFF cells were treated in the presence and absence of LY294002 2 hours prior to infection and throughout infection for 24 hours. <b>(A)</b> Cell morphology was observed microscopically. <b>(B)</b> At 24 hpi cells were collected, fractionated, immunoblotted, and probed for cleaved caspase-3, <b>(C)</b> cleaved caspase-7, and <b>(D)</b> cleaved PARP. These results are representative of 3 independent experiments.</p