by University of Birmingham Graphical abstract. Credit: Cell Reports (2022). DOI: 10.1016/j.celrep.2022.110858 Processes in the human body could turn groups of harmless immune cells into ruthless killers, capable of attacking other cells infected with viruses or parasites, and potentially tumor cells, a new study reveals. Gamma delta T cells were previously thought to be “pre-programmed” to recognize and destroy...