CD4 T lymphocytes form a subgroup of T lymphocytes that is responsible for cell-mediated immune responses.
Synonyms
T helper cell
CD4 cells
Detailed description
T lymphocytes carrying the surface antigen CD4 are called T helper cells. After activation, they release substances that are either involved in cell-mediated immunity or that stimulate B cell immune responses. HIV infects mainly this T lymphocyte subgroup.
SARS-CoV-2 viruses can hide from recognition by the immune system when infecting cells, thereby delaying the onset of the immune response. Scientists around Prof Gunther Hartmann from the University
