T cell
white blood cell critical to the immune response. Among these are CD4+ T cells and CD8+ T cells.
T lymphocyte proliferation assay
a test used to measure the memory of T cells to antigens.
titer
the quantity of a substance required to produce a reaction with a given volume of another substance, or the amount of one substance required to correspond with a given amount of another substance.
transmission-blocking vaccines
vaccines that prevent mosquitoes from becoming infected, even after feeding on an infected person.