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Covid Surge: XFG Variant Increases Infections, Hospitalizations Rise

8/22/2025

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Summary

Story summary

Covid infection levels are 'very high' in five US states, with nationwide activity at 'moderate' as of August 9.
Hospitalizations rose by 30%, while death rates remain stable. The new variant, XFG, is more infectious but not more lethal.
A study suggests mild Covid infections may accelerate vascular aging, especially in women; vaccinated individuals exhibit less arterial stiffness.

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Story summary

Covid infection levels are 'very high' in five US states, with nationwide activity at 'moderate' as of August 9.
Hospitalizations rose by 30%, while death rates remain stable. The new variant, XFG, is more infectious but not more lethal.
A study suggests mild Covid infections may accelerate vascular aging, especially in women; vaccinated individuals exhibit less arterial stiffness.