Post Covid Alzheimer's Increased Risk - New Area Of Concern Highlighted By Dr John Campbell

26th September 2022

Older COVID-19 survivors,

69% higher risk of developing Alzheimer's disease,

within 1 year of infection

Medical records of 6,245,282

65 years and older

Medical visits but no previous diagnosis of Alzheimer's disease

February 2020 to May 2021

410,748 participants tested positive for COVID-19

5,834,534 did not test positive

COVID-19 survivors had a 69% higher risk of a new diagnosis of Alzheimer's disease within 1 year of infection than their uninfected peers.

Hazard ratio 1.69; 95% (1.53 to 1.72).

Most at risk

Ages 85 and older, HR = 1.89

Women, HR = 1.82