Figure 1From: Characterization of H5N1 influenza viruses isolated from humans in vitroH5N1 virus infection in embryonated eggs. (A) Viral RNA copy numbers from embryonated eggs infected with 100 PFU/ml of SP83 and KAN353, 24 hours p.i. (B) Infectivity of allantoic fluid from embryonated eggs under the same experimental conditions.Back to article page