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HOW IT SPREAD REMAINS UNCERTAIN
HSV-1, It can reach the central nervous system in two ways, but it remains unclear how the infection spreads within the brain.. Christy Niemeyer, neuroscientist at the University of Colorado, “Recently, this common virus has been linked to neurodegenerative diseases such as Alzheimer's disease, however, no clear route of central nervous system invasion has been identified.
Determining how HSV-1 can enter the brain and which brain areas are vulnerable, "It's the key to understanding how it starts the disease," he said..
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