 8. Treatment with systemic glucocorticoids at a dose exceeding 10 mg of prednisone per day, or equivalent for more than 7 consecutive days or for 10 or more days in total, within one month of study vaccine administration, any other cytotoxic or immunosuppressant drug, or any immunoglobulin preparation within 3 months of vaccination and until the completion of Day 21 visit. Low doses of nasal or inhaled glucocorticoids are allowed. Topical steroids are permitted. 