Ad26.COV2.S boosts antibody and T-cell responses following BNT162b2 vaccination - Sho Iketani; Lihong Liu; Manoj S. Nair; Abishek Chandrashekar; Hiroshi Mohri; Maple Wang; Dan H. Barouch; Yaoxing Huang; David D. Ho (Emerging Microbes and Infections)