Figure 3: Replication of WSN-OVAI/II virus in mice. C57BL/6J mice were inoculated i.n. under anaesthesia with  PFU of WSN virus or  PFU of WSN-OVAI/II virus, and sacrificed on days 3 and 6 after infection for virus titration in lungs on MDCK cells. The values presented are averages of triplicate wells; the error bars indicate the standard deviation.