TABLE 2

Serum antibody titers against vaccinia virus as measured by ELISA

Study stageAnimal no.Serum antibody titer after primary immunizationa
Wk 1Wk 2Wk 4
IR101062001,6003,200
R101311008003,200
IIZ091831003,2001,600
L101241001,600800
R100901,6001,600
L101418001,600
  • a Reciprocal serum dilution that resulted in a positive OD reading in ELISA (see Materials and Methods for details). —, below the detection limit at the starting serum dilution of 1:100.