Staggered immunization with mRNA vaccines encoding SARS-CoV-2 polymerase or spike antigens broadens the T cell epitope repertoire. - Abt ER; Lam AK; Noguchi M; Rashid K; McLaughlin J; Teng PL; Tran W; Cheng D; Nesterenko PA; Mao Z; Creech AL; Burton Sojo G; et al. (Proceedings of the National Academy of Sciences of the United States of America, 2024)