A grid of images showing different cross sections of a human brain MRI.
Study Links Flu to Increased Parkinson’s Risk a Decade Later
Epidemiological research suggests that a flu diagnosis might be one factor in the eventual onset of the neurodegenerative disease, but experts say it doesn’t prove a causal relationship.
ABOVE: © ISTOCK.COM, SUDOK1
Study Links Flu to Increased Parkinson’s Risk a Decade Later
Study Links Flu to Increased Parkinson’s Risk a Decade Later

Epidemiological research suggests that a flu diagnosis might be one factor in the eventual onset of the neurodegenerative disease, but experts say it doesn’t prove a causal relationship.

Epidemiological research suggests that a flu diagnosis might be one factor in the eventual onset of the neurodegenerative disease, but experts say it doesn’t prove a causal relationship.

ABOVE: © ISTOCK.COM, SUDOK1
swine flu
a veterinarian in a white hazmat suit holding a small pig
The Long Journey to Resolve the Origins of a Previous Pandemic
Martha Nelson | Sep 2, 2021
Dozens of researchers, including myself, worked for years to uncover that swine flu had leapt to humans from a pig in Mexico in 2009. We learned a lot about influenza evolution, pig farming, and outbreak risk along the way.
Swine Flu Strain Has Pandemic Potential: Study
Jef Akst | Jun 30, 2020
An influenza virus identified in pigs in China has a concerning mix of genes, but experts say there is no way to know if it will evolve to be transmissible between humans.
On the Flu Vax–Narcolepsy Link
Anna Azvolinsky | Jul 1, 2015
Researchers identify a peptide present in the swine-flu vaccine linked to narcolepsy that may be responsible for the sleep disorder.
Not Swine Flu
Abby Olena | Feb 17, 2014
The strain of influenza that caused the 1918 pandemic probably came from birds, a study shows.
Watch the Pigs
Edyta Zielinska | Jun 25, 2012
Sampling for potentially pandemic strains of influenza virus at hog farms is lax compared with poultry farms, worrying some experts.