"Olfactory sensory neurons (OSNs) are constantly exposed to pathogens, including viruses. However, serious infection of the brain by the olfactory route rarely occurs. When OSNs detect a virus, they coordinate local antiviral immune responses to stop virus progression into the brain."
#Preprint #Immunology #Neuroimmunology

https://www.biorxiv.org/content/10.1101/2023.03.17.533129v1