Figure 5. Total number of AFCs (IgG, IgA, IgM) in nasal passages. Mice were inoculated with virus on day 0 and fed chow, CED, or IV-TPN for 6, 9, or 13 days. *P < .05 ver-sus IV-TPN day 13; †P < .02 versus chow days 6 and 9; ‡P 0.05 versus CED day 6.