Figure 2From: The expression and antigenicity of a truncated spike-nucleocapsid fusion protein of severe acute respiratory syndrome-associated coronavirusIFA analysis of cross-reaction of the SARSCoV infected cell using mouse anti-sera to recombinant N proteins of other two human Coronaviruses. A: Reacted with mouse anti-serum to SARSCoV N protein; B: Reacted with mouse anti-serum to HCoV 229E N protein; C: Reacted with mouse anti-serum to HCoV OC43 N protein; D: Reacted with mouse serum from controls injected with PBS;Back to article page