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. 2003 Oct;71(10):6054–6057. doi: 10.1128/IAI.71.10.6054-6057.2003

TABLE 2.

Reactivities of antibodies in the sera of animals infected with T. pallidum isolates

Isolate Tpr proteina
Subfamily I
Subfamily II
Subfamily III
C/D F I E G J A B H K
Nichols +/− +/− +/− +/− +
Chicago +/− ++ ++ ++ +/− ++ +/− ++ ++
Baltimore 73-1 +/− +/− +/− + +/− +/− ++
a

Results are peak OD405 readings, as follows: − = <0.20; +/− = 0.20 to 0.59; + = 0.60 to 0.99; ++ = ≥1.00.