Long-Term CD4+ T-Cell and Immunoglobulin G Immune Responses in Oncology Workers following COVID-19 Vaccination: An Interim Analysis of a Prospective Cohort Study. - Gallen C; Dukes CW; Aldrich A; Macaisa L; Mo Q; Cubitt CL; Pilon-Thomas S; Giuliano AR; Czerniecki BJ; Costa RLB (Vaccines, 2022)