Preexisting CD8+ T-cell immunity to the H7N9 influenza A virus varies across ethnicities.
Qui?ones-Parra S, Grant E, Loh L, Nguyen TH, Campbell KA, Tong SY, Miller A, Doherty PC, Vijaykrishna D, Rossjohn J, Gras S, Kedzierska K. Preexisting CD8+ T-cell immunity to the H7N9 influenza A virus varies across ethnicities. Proc Natl Acad Sci U S A. 2014 Jan 21; 111(3):1049-54.