TABLE 1.

Summary of animals, viruses, and virologic outcomes

Study	Animal	Challenge virus	No. of challenges	Age at first exposure (wks)	Age at infection (wks)	Infection duration	Age at necropsy (wks)	Peak viremia (no. of copies/ml)	Necropsy viremia (no. of copies/ml)
1a	1A	SIVmac251	2	12	14	13	25	89,000,000	16,000,000
	1B	SIVmac251	10	12	22	12	24	48,000,000	900,000
	1C	SIVmac251	2	12	14	13	25	230,000,000	200,000,000
	1D	SIVmac251	1	12	13	13	25	16,000,000	1,700,000
	1E	SIVmac251	1	12	13	12	24	16,000,000	7,400,000
2b	2A	SHIV1157ipd3N4	18	12	30	6	18	210,000	4,600
	2B	SHIV1157ipd3N4	3	12	15	7	19	590,000	1,500
	2C	SHIV1157ipd3N4	3	12	14	8	20	26,000,000	910,000
	2D	SHIV1157ipd3N4	16	12	28	6	18	64,000,000	220,000
	2E	SHIV1157ipd3N4	1	12	12	7	19	33,000,000	58,000
	2F	SHIV1157ipd3N4	13	12	25	6	18	16,000	250
3	3A	SHIV.C.CH505.375H.dCT	2	6	8	27	36	4,700,000	18,000
	3B	SHIV.C.CH505.375H.dCT	2	6	8	27	35	2,800,000	1,300
	3C	SHIV.C.CH505.375H.dCT	17	6	23	23	42	1,000,000	1,000,000
	3D	SHIV.C.CH505.375H.dCT	2	6	8	25	35	2,900,000	20

^aData are from reference 44.

^bData are from reference 49.