Study links COVID-19 and bacterial infection to Alzheimer’s disease

Publication date: Jul 11, 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. PCOM researchers documented that individuals carrying this gene variant appear to be more susceptible to both Cpn and SARS-CoV-2 infections, potentially amplifying their risk for developing the disease. “As we continue to learn more about the role infectious agents play in the development of this disease, we hope to create new avenues for prevention and treatment. Editors have highlighted the following attributes while ensuring the content’s credibility:Potential neuroinflammatory outcomes following infection. This article has been reviewed according to Science X’s editorial process and policies .