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Mon 20 Apr 2026 • 17:01

"Study Finds Lingering Immune Signatures in Blood of Covid-19 Survivors"

"Study Finds Lingering Immune Signatures in Blood of Covid-19 Survivors"

# People Who Had Covid May Still Show ‘Signature in the Blood’

Recent research indicates that individuals who have had Covid-19 might continue to exhibit a distinct "signature" in their blood. This finding is particularly relevant for those suffering from long Covid.

The study focused on patients experiencing lingering symptoms. Scientists found that certain immune responses could remain detectable even after the acute phase of infection had passed. This means that the body’s immune system may still carry evidence of the virus long after recovery.

Researchers are looking into how this "signature" could help in understanding long Covid. Understanding these lingering immune markers might lead to better treatments for those affected.

The implications of this discovery are significant for public health, especially as more people report ongoing health issues following Covid-19. Continued research is needed to fully grasp the long-term effects of the virus.

"Recognising these signatures in the blood can enhance our approach to managing long-term symptoms," according to a lead researcher.

This article is for general information only and is not a substitute for professional medical advice. Always speak to a GP or qualified health professional about your own health.