A new study reveals that viral infections may leave behind hidden damage to the immune system long after symptoms disappear. Researchers found that mice recovering from an acute infection experienced lasting changes to their spleens and weakened immune responses, potentially leaving them more vulnerable to future threats. Surprisingly, prior vaccination completely prevented these harmful changes in the mouse model.
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Study Reveals Vaccines Can Prevent Lasting Immune Damage from Viral Infections
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November 13, 2026
1 min read
📰 ScienceDaily
📋 Key Takeaway
A study indicates that viral infections can cause long-lasting damage to the immune system, which may increase vulnerability to future infections. Researchers demonstrated that prior vaccination can prevent these detrimental effects in mice. This finding highlights the importance of vaccination strategies in public health, which is relevant for Iran's healthcare policies.
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