Table 1. Details of Aotus lemurinus griseimembra used for immunization and challenge.

Group	Number	Sex	Age (years)	Weight (kg)
Experimental	A9801	M	4	0.98
	A9802	M	4	0.92
	A53	F	7	0.87
	A66	M	6	1.02
Control	A9804	M	4	0.73
	A55§ (A0001¶)	M(F¶)	7(2¶)	0.93 (0.90¶)
	A9902*	F	3	0.98
Donor	A31	M	11	0.89

died of non-immunization causes before challenge.

¶naïve (non-injected) animal substitute.

Removed from experiment after challenge.