Common risk factor for Alzheimer’s may predispose carriers to severe COVID-19

A study conducted at the University of Helsinki and the Helsinki University Hospital suggests that the APOE4 allele may also increase cerebral microhaemorrhages related to COVID-19 and associate with mental fatigue related to long COVID.

Photo by CDC on Pexels.com

Roughly one-third of Finns carry the APOE4 allele, a genetic variant that predisposes carriers to Alzheimer’s disease. Globally, researchers have reported observations that show a link between APOE4 and COVID-19, both in terms of increased susceptibility to SARS-CoV-2 infection and COVID-19 mortality. Now, a research group at the University of Helsinki and the Helsinki University Hospital (HUS) has investigated the link between the APOE4 allele and the severity of COVID-19 in the Finnish population.

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