Dynamics of T-cell Responses Following COVID-19 mRNA Vaccination and Breakthrough Infection in Older Adults oleh Sneha Datwani, Rebecca Kalikawe, Francis Mwimanzi, Sarah Speckmaier, Richard Liang, Yurou Sang, Rachel Waterworth, Fatima Yaseen, Hope Lapointe, Evan Barad, Mari DeMarco, Daniel Holmes, Janet Simons, Julio Montaner, Marc Romney, Zabrina Brumme, Mark Brockman