Red Lake Nation News - Babaamaajimowinan (Telling of news in different places)

How aging immune system makes older people vulnerable to COVID-19


September 14, 2020

Associated Press

This electron microscope image made available and color-enhanced by the National Institute of Allergy and Infectious Diseases Integrated Research Facility in Fort Detrick, Md., shows Novel Coronavirus SARS-CoV-2 virus particles, orange, isolated from a patient.

COVID-19 patients who are 80 or older are hundreds of times more likely to die than those younger than 40.

That's partly because they are more likely to have underlying conditions that make them more vulnerable to COVID-19. But some scientists suggest another likely driver of this increased risk: the aging immune system.

The changes that ripple through our network of immune cells as the decades pass are complex, resulting in an overreaction here, a delayed response there and, overall, a strangely altered landscape of immunity.


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