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Study Links Father's COVID Infection to Offspring's Anxiety

10/12/2025

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Summary

Story summary

A study in Nature Communications shows a father's SARS-CoV-2 infection before conception can alter offspring brain development and behavior via sperm changes.
Researchers found infected male mice had changes in sperm small noncoding RNAs, linked to increased anxiety-like behaviors in offspring.
The findings emphasize paternal health in preconception care and suggest viral infections can have transgenerational mental-health effects.

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Story summary

A study in Nature Communications shows a father's SARS-CoV-2 infection before conception can alter offspring brain development and behavior via sperm changes.
Researchers found infected male mice had changes in sperm small noncoding RNAs, linked to increased anxiety-like behaviors in offspring.
The findings emphasize paternal health in preconception care and suggest viral infections can have transgenerational mental-health effects.