Skip to main content
Figure 4 | Virology Journal

Figure 4

From: Induction of cross-protection against influenza A virus by DNA prime-intranasal protein boost strategy based on nucleoprotein

Figure 4

Survival rates (A) and body weight changes (B) after challenge with lethal heterologous influenza virus. Mice were immunized as described in method section. 3 weeks after the last immunization, mice were challenged with a lethal dose (5×LD50) of influenza A/Chicken/JiangSu/07/2002(H9N2). Survival rate (A) and body weight loss (B) were monitored for 21 days.

Back to article page

Virology Journal

ISSN: 1743-422X