July 27, 2026

@michaelokun

One of the talks that stuck with me today at the Aspen Course was Alberto Espay's thoughtful discussion of secondary parkinsonism and neurotropic viruses. It made me think beyond the acute infection and ask a bigger question: when viruses reach the brain, what are the long-term consequences? We know that viruses such as Japanese encephalitis and West Nile can produce parkinsonism, but what about newer viruses like SARS-CoV-2? Alberto's perspective was reassuring. He is less concerned that COVID-19 survivors will experience a future wave of Parkinson's disease than many have predicted. There remains healthy scientific debate about whether SARS-CoV-2 directly invades the brain or causes injury through indirect mechanisms, and the evidence continues to evolve. My own takeaway is that this is one of those questions that only time can answer. Careful long-term studies, not speculation, will ultimately tell us whether today's viral infections shape tomorrow's neurodegenerative diseases.