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. Author manuscript; available in PMC: 2009 Oct 15.
Published in final edited form as: J Immunol Methods. 2008 Dec 25;343(2):65–67. doi: 10.1016/j.jim.2008.11.012

Table 2. Serum Neutralization of CTR203.

TIER 1 TIER 2
STRAIN SF162.LS BAL.26 SS196.1 6535.3 QH0692.4
2		 SC422661
.8		 PVO.4 TRO.11 AC10.0.2
9		 RHPA425
9.7		 THRO415
6.18		 REJO454
1.67		 TRJO455
1.58		 WITO416
0.33		 CAAN53
42.A2		 SIVmac25
1.WY5
ID50 9250 756 278 121 36 421 80 77 <20 891 129 162 44 228 264 <20

ID 50 values are the reciprocal dilutions required to achieve 50% inhibition of infectivity in a Tzm-bl assay (Li et al., 2005). The viral strains are divided into Tier 1 and Tier 2 viruses, the former being easier to neutralize (Li et al., 2005).