KPNA4 and infection: In addition, the expression levels of KPNB1, KPNA1, KPNA2, KPNA4, KPNA6, and KPNA7 changed with the infection time of the three strains while KPNA3 and KPNA5 did not change with the incubation time (Supplementary Figures S4–S6).