TABLE 2.

Number of sera reacting to native E. chaffeensis and E. canis antigens

E. chaffeensis IFA resulta	Total no. of sera	No. of Western blotting-positive sera with:
		E. chaffeensis antigen		E. canis antigen
		44–110 kDa	28 kDa	44–110 kDa	30 kDa
+	37	34	25	30	25
−	20	0	0	0	0

^a+, reaction; −, no reaction.