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Can Covid-19 Vaccines Help Fight Cancer? What New Studies Reveal
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Firstpost•13-10-2026, 12:41
Can Covid-19 Vaccines Help Fight Cancer? What New Studies Reveal
- •Recent studies explore whether mRNA Covid-19 vaccines can stimulate the immune system to make certain tumors more responsive to immunotherapy.
- •A French study found that patients receiving an mRNA vaccine shortly before immunotherapy had a modestly lower risk of early death, though the association faded at 12 months.
- •Experts caution that observational data cannot prove direct causation, as similar survival patterns were noted with other vaccines, potentially reflecting overall healthier patients.
- •Medical professionals emphasize the need for rigorous clinical trials and level-one evidence before considering Covid-19 vaccines as a cancer treatment.
Key Questions Answered
No, experts caution that while studies show an association between vaccination and better early survival rates in immunotherapy patients, they do not prove the vaccine caused the improvement.
It found that patients receiving an mRNA vaccine within 100 days before starting immunotherapy had a modestly lower risk of death at three and six months, though this association disappeared at 12 months.
Immune checkpoint inhibitors block proteins produced by cancer cells that activate the immune system's braking mechanisms, allowing T cells to efficiently identify and kill cancer cells.
