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Study subjects will receive one dose of study intervention as assigned at each vaccination visit (Visits 1 and 4) via intramuscular (IM) injection in the upper arm approximately 14 days apart. Study interventions should be administered into the deltoid muscle, preferably of the nondominant arm .
Each subject will be assigned to receive either:
35 mcg dose for both vaccinations at day 0 and day 14 (low dose, 15 subjects) 70 mcg dose for both vaccinations at day 0 and day 14 (high dose, 15 subjects) Placebo for both injections at day 0 and day 14 (Placebo, 15 subjects)