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Articles on Antigens

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Broad protection from a universal flu vaccine could replace seasonal flu shots. Flavio Coelho/Moment via Getty Images

How do you make a universal flu vaccine? A microbiologist explains the challenges, and how mRNA could offer a promising solution

Annual flu vaccines are in a constant race against a rapidly mutating virus that may one day cause the next pandemic. A one-time vaccine protecting against all variants could give humanity a leg up.
Killer T cells (green and red), or cytotoxic T cells, surround a cancer cell (blue, center). NICHD/J. Lippincott-Schwartz

Anti-cancer CAR-T therapy reengineers T cells to kill tumors – and researchers are expanding the limited types of cancer it can target

Immunotherapy has the potential to eliminate tumors, but works best for select patients. Engineering T cells to bypass cancer’s defenses could help expand treatment eligibility to more patients.

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