TABLE 2.

Immunization schedule

Week no.	Expt H1	Expt H2	Expt H3	Expt H4
0	DNA prime 1	DNA prime 1	DNA prime 1	DNA prime 1
2	DNA prime 2	DNA prime 2	DNA prime 2
4	DNA prime 3	DNA prime 3	DNA prime 3	DNA prime 2
6
8				DNA prime 3
10	Protein boost 1	Protein boost 1	Protein boost 1
12
14	Protein boost 2	Protein boost 2	Protein boost 2	Protein boost 1
16
18				Protein boost 2