As shown in Figure 4A and 4B, western blotting showed increased Cyclin A expression from day2 (∼1.52-fold) to 270 (∼1.63-fold); it peaked at day60 (∼8.46-fold), and then decreased under the baseline at day360 (∼0.86-fold) post-infection. This evidence concerns the gene CCNA2 and infection.