PCOM Study Links COVID-19 and Bacterial Infection to Alzheimer’s Disease | Newswise

PCOM Study Links COVID-19 and Bacterial Infection to Alzheimer’s Disease | Newswise

Publication date: Jul 10, 2025

After initial infection, these microbes can travel along the olfactory nerves, ultimately reaching the brain’s olfactory bulbs, which are linked to areas of the brain for memory and cognition. The olfactory system is lined with a specialized neuroepithelium that can serve as an entry point for pathogens to the brain.

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