Professor Sheena Cruickshank
Total 4 Posts
If immunity is waning or ineffectual against new variants, then boosters could be needed – but there needs to be evidence that they are necessary.
Antibody levels naturally fade – the key question is whether infected people sustain adequate levels of T cells and B cells. Right now, we shouldn’t be overly worried. COVID-19 is a giant puzzle we are gradually unlocking.
Abnormal functioning of the immune system is what characterises severe COVID, and can be driven by diabetes, obesity, sex and age.