TABLE 4.

Antibody titer in serum samples taken before and after relapse or reinfection in the six affected brucellosis patients

Patient	Blood culture	Titera in:
		SAT		Coombs test		Brucellacapt test
		Before relapse	After relapse	Before relapse	After relapse	Before relapse	After relapse
Rec1	Positive	0	20	320	640	640	10,280
Rec2	Positive	80	640	320	1,280	640	5,120
Rec3	Negative	0	40	0	640	0	1,280
Rec4	Negative	80	320	320	1,280	640	2,560
Rec5	Negative	160	320	320	1,280	2,560	10,240
Rec6	Positive	160	640	640	640	640	1,280

^aInverse titer.