Figure 6.

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 Time course of Ab to the 40‐kDa liver protein and plasma Ig level in MHV‐infected CBA/Ht mice. Upper panel: Western‐blot reactivity of serum from MHV‐infected CBA/Ht with the 40‐kDa liver protein (see Fig. 1 for details); (+) means that serum from all animals tested reacted with the mouse liver 40‐kDa protein; (–) means absence of reactivity. Lower panel: Total IgG concentration of the corresponding sera was determined as indicated in Sect. 4. Values correspond to individual mice. Results were subject to statistical analysis by using the Mann‐Whitney U‐test. *p<0.1, **p<0.05.