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Hälsa & medicin 6.6

Childhood immunity to COVID fades as people age, new study shows

Protective T cell responses generated early in life against SARS-CoV-2 weaken significantly over time, researchers report in PNAS. The finding has implications for vaccine strategy and long-term immunity expectations, particularly for vulnerable populations relying on childhood-acquired protection.

Originaltitel: Functional SARS-CoV-2 cross-reactive CD4<SUP>+</SUP> T cells established in early childhood decline with age

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