Sunday 13 September 2020

How the ageing immune system makes older people vulnerable to Covid-19

‘Covid-19 patients who are 80 or older are hundreds of times more likely to die than those under 40. That’s partly because they are more likely to have underlying conditions — like diabetes and lung disease — that seem to make the body more vulnerable to Covid-19.

‘But some scientists suggest another likely, if underappreciated, driver of this increased risk: the ageing 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.’

Read here (Today Online, Sept 13, 2020) 

Worst ever Covid variant? Omicron

John Campbell shares his findings on Omicron.  View here (Youtube, Nov 27, 2021)