A key COVID-19 immune response in children has been identified

This could change how researchers approach vaccine development.

Photo by Chung Sung-Jun/Getty Images
  • The reason children suffer less from the novel coronavirus has remained mysterious.
  • Researchers identified a cytokine, IL-17A, which appears to protect children from the ravages of COVID-19.
  • This cytokine response could change how researchers approach vaccine development.
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