Expert reaction to two papers looking at T cells (after COVID-19 vaccination or infection) and Omicron

Expert reaction to two papers looking at T cells (after COVID-19 vaccination or infection) and Omicron
Two studies, published in the journal Nature, have looked at T cells (after COVID-19 vaccination or infection) and Omicron.
“These studies also indicate that T cell responses are much more durable than neutralising antibodies, showing no significant decline over 8 months of follow up.  This is also very good news in terms of the ability of Covid-19 vaccines to confer long term protection.”

“These studies bode well for the ability of vaccine-induced immunity to protect against severe disease induced by future virus variants.  One issue not fully addressed by these studies is the degree to which these T cell responses wane over time although one of the studies measured responses 8 months after vaccination.”

“These data offer at least one explanation for the observed retained protection against severe disease following reinfection in vaccinated patients during the recent omicron wave, and offer at least some reassurance that these broad responses may also blunt disease severity should, as expected, further variants emerge.  Yet another reason to be vaccinated, particularly if working in a high risk environment – health and social care workers take note!”
https://www.sciencemediacentre.org/expert-reaction-to-two-papers-looking-at-t-cells-after-covid-19-vaccination-or-infection-and-omicron/