Fig. 4

Neutralizing antibody response induced by rH_Gn_Gc. Sheep were primed and boosted with either rH or rH_Gn-Gc. Blood samples were collected from immunized sheep at indicated days 0, 14, 21, 28 and 42. Serum from immunized sheep was titrated by a standard serum neutralization test (SNT). Each dot represents an individual sheep