NewslettersImmunology of Infectious Disease NewsCOVID-19 mRNA Booster Vaccine Induces Transient CD8+ T Effector Cell Responses While Conserving the Memory Pool for Subsequent ReactivationBy Danielle Corrigan - August 8, 20220207Investigators showed that spike-specific CD8+ T cells were activated and expanded in all analyzed individuals receiving the third and fourth COVID-19 mRNA vaccine shots.[Nature Communications]Full Article