The ‘killer’ immune cells that attack the Omicron variant but are often forgotten
Your browser does not support the audio element.Much of the coverage of COVID immunity often focuses on antibody response and for good reason - these small, y-shaped proteins can detect, and in some cases neutralise, viruses like SARS-CoV-2. But as variants like Omicron evolve to evade antibodies, the role of another part of the immune system, T cells, has been brought into sharper focus.
These immune cells work in a different way to antibodies, attacking infected cells rather than the virus itself, which can make their response broader and more robust. Now, research is showing that, unlike antibodies, T cell potency is not impacted by the mutations in variants like Omicron. In this episode of, we ask why T cells are so often overlooked, and what role they might be playing in our protection from the coronavirus.
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