TABLE 2.

Neutralizing antibody data from control animals at various weeks after challenge with SIVmac239

Animalwk postchallengeNeutralizing antibody titera to:
SIVmac251SIVmac239
900690<20<20
3<20<20
6856<20
101,755<20
901310<20<20
3<20<20
6<20<20
10<20<20
920500<20<20
342<20
6919<20
10651<20
92080020<20
3341<20
62,139<20
101,641<20
97086025<20
3419<20
68,010<20
109,952<20
  • a Reciprocal serum dilution at which 50% of CEMx174 cells were protected from virus-induced killing, as measured by neutral red uptake. SIVmac251 was laboratory adapted.