 1. Male or female subjects between 18 and 49 years of age, inclusive 2. Subjects capable of providing written informed consent prior to initiation of any study procedures. Subjects able to understand and comply with planned study procedures and be available for all study visits 3. Screening labs within normal limits per the local laboratory normal ranges or considered to be not clinically significant by the investigator. Normal laboratory ranges are as listed below: A. Hematology: - Hemoglobin: Male- 12.9-16.1 gmdL, Female- 11.4-14.4 gmdL - White blood cells WBC: Male- 4.2-9.2uL, Female- 4-10uL - Platelet count: 150-400uL B. Chemistries: - Kidney function:Glomerular filtration rate GFR 60 mLmin1.73 m2; - Liver enzymes: Albumin 3.5 gdL; ALT 66 UL; AST 62 UL 4. Subjects who have not received the seasonal influenza vaccine in the current flu season and are not suspected to have had an influenza infection in the current flu season. 5. Female subjects of child bearing potential must have a negative urine pregnancy test at the screening visit, enrollment visit and all subsequent study visits longer than 14 days since the last pregnancy test. 