1. Geometric mean titres (GMTs) of Serum neutralising antibody titer <br/ >(NAbâ??s) by neutralizing antibody <br/ >assays. <br/ >2.The occurrence of solicited adverse <br/ >events. <br/ >3. The occurrence of serious adverse <br/ >events (SAEs) <br/ >4. The occurrence of any unsolicited <br/ >adverse eventsTimepoint: 1. day 0; 28; 42; 90 and 180. <br/ >2.7 days. <br/ >3. Through out the study <br/ >4. Up to day 42 from 1st dose of vaccination

1. Geometric mean titres (GMTs) of Serum neutralising antibody titer <br/ >(NAbâ??s) by neutralizing antibody <br/ >assays. <br/ >2.The occurrence of solicited adverse <br/ >events. <br/ >3. The occurrence of serious adverse <br/ >events (SAEs) <br/ >4. The occurrence of any unsolicited <br/ >adverse eventsTimepoint: 1. day 0; 28; 42; 90 and 180. <br/ >2.7 days. <br/ >3. Through out the study <br/ >4. Up to day 42 from 1st dose of vaccination