Establish a pregnant sow model for assessment of influenza vaccine safety and efficacy during pregnancyFANG, YING and ROWLAND, RAYMONDNational Institutes of Health (NIH), National Institute of Allergy and Infectious Diseases (NIAID) (ID: 1R15AI131148-01A1), $456,000USD, 01/22/2018 -- 12/31/2019