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Omicron cannot escape T cells
Posted on 12/30/21 at 8:16 am
Posted on 12/30/21 at 8:16 am
(Reuters) - The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certified by peer review.
Omicron cannot escape body's second-line defense
In test tube experiments, researchers in South Africa exposed copies of the virus to T cells from volunteers who had received vaccines from Johnson & Johnson (JNJ.N) or Pfizer(PFE.N)/BioNTech(22UAy.DE) or who had not been vaccinated but had developed their own T cells after infection with an earlier version of the coronavirus.
"Despite Omicron's extensive mutations and reduced susceptibility to neutralizing antibodies, the majority of T cell response, induced by vaccination or natural infection, cross-recognizes the variant," the researchers reported on Tuesday on medRxiv ahead of peer review.
"Well-preserved T cell immunity to Omicron is likely to contribute to protection from severe COVID-19," which supports what South African doctors had initially suspected when most patients with Omicron infections did not become seriously ill, they said.
LINK
Omicron cannot escape body's second-line defense
In test tube experiments, researchers in South Africa exposed copies of the virus to T cells from volunteers who had received vaccines from Johnson & Johnson (JNJ.N) or Pfizer(PFE.N)/BioNTech(22UAy.DE) or who had not been vaccinated but had developed their own T cells after infection with an earlier version of the coronavirus.
"Despite Omicron's extensive mutations and reduced susceptibility to neutralizing antibodies, the majority of T cell response, induced by vaccination or natural infection, cross-recognizes the variant," the researchers reported on Tuesday on medRxiv ahead of peer review.
"Well-preserved T cell immunity to Omicron is likely to contribute to protection from severe COVID-19," which supports what South African doctors had initially suspected when most patients with Omicron infections did not become seriously ill, they said.
LINK
14
Posted on 12/30/21 at 8:18 am to Jbird
So that's why 80% of cases are in the vaccinated?
Posted on 12/30/21 at 8:18 am to Jbird
The shot Nazis will NOT like reading this at all!
This post was edited on 12/30/21 at 8:20 am
Posted on 12/30/21 at 8:19 am to Jbird
This is why I'm glad I'm in the "why not both?" category
This post was edited on 12/30/21 at 8:20 am
Posted on 12/30/21 at 8:20 am to Jbird
This supports what we’re seeing clinically. Tons of new cases, including lots of vaccine breakthroughs and re-infections, but almost no rise in deaths. Nowhere near as many of the hospitalized cases are going to the ICU or dying as prior spikes.
This post was edited on 12/30/21 at 8:21 am
Posted on 12/30/21 at 8:20 am to Jbird
We talked about T cell immunity 18 months ago. These scientists must lurk on poli talk.
Posted on 12/30/21 at 8:21 am to WaWaWeeWa
quote:
We talked about T cell immunity 18 months ago. These scientists must lurk on poli talk.
Posted on 12/30/21 at 8:22 am to Jbird
You also left off some stuff:
From the title:
From the article:
From the title:
quote:
boosters protect households from Omicron
From the article:
quote:
Researchers analyzed transmission data collected from nearly 12,000 infected households in Denmark, including 2,225 households with an Omicron infection. Overall, there were 6,397 secondary infections in the week after the first infection in the house. After accounting for other risk factors, the rate of person-to-person spread of the virus to fully vaccinated people was roughly 2.6 times higher in Omicron households than in Delta households, the researchers reported on Monday on medRxiv ahead of peer review. Booster-vaccinated people were nearly 3.7 times more likely to get infected in the Omicron households than in the Delta households, they found.
Looking only at Omicron households, however, booster-vaccinated people were 56% less likely to become infected compared to vaccinated people who had not received a booster. And overall, when booster-vaccinated people were the ones who first brought home the virus, they were less likely than unvaccinated and vaccinated-but-not-boosted people to pass it to others.
Posted on 12/30/21 at 8:22 am to WaWaWeeWa
quote:
We talked about T cell immunity 18 months ago. These scientists must lurk on poli talk.
Nobody has ever ignored T cell effects on the virus with Covid
This post was edited on 12/30/21 at 8:23 am
Posted on 12/30/21 at 8:23 am to SlowFlowPro
quote:
This is why I'm glad I'm in the "why not both?" category
Well I guess that plays if you got the shot 1st. Though getting the shot second seems kind of pointless now.
Posted on 12/30/21 at 8:23 am to SlowFlowPro
It's in the link so not trying to trick anyone.
Posted on 12/30/21 at 8:23 am to stout
quote:
So that's why 80% of cases are in the vaccinated?
Not in South Africa. Less than 25% was vaccinated when this wave hit.
Posted on 12/30/21 at 8:23 am to Jbird
(no message)
This post was edited on 8/11/23 at 9:34 pm
Posted on 12/30/21 at 8:24 am to WaWaWeeWa
quote:
We talked about T cell immunity 18 months ago. These scientists must lurk on poli talk.
Nobody has ever ignored T-cell immunity. The only myth was some believing that only natural infection and not vaccination induced this.
Posted on 12/30/21 at 8:25 am to SlowFlowPro
quote:
And overall, when booster-vaccinated people were the ones who first brought home the virus, they were less likely than unvaccinated and vaccinated-but-not-boosted people to pass it to others.
Completely irrelevant. Is there anyone who still thanks they are somehow not going to get COVID eventually?
Posted on 12/30/21 at 8:25 am to STEVED00
quote:
Well I guess that plays if you got the shot 1st. Though getting the shot second seems kind of pointless now.
a. both wane over time and there was a long gap after my infection and my vaccination
b. vaccination status has major social effects that are valuable to me
Posted on 12/30/21 at 8:26 am to Roger Klarvin
quote:
This supports what we’re seeing clinically. Tons of new cases, including lots of vaccine breakthroughs and re-infections, but almost no rise in deaths. Nowhere near as many of the hospitalized cases are going to the ICU or dying as prior spikes.
But Pres. Potato is moving ventilators around the country.
Posted on 12/30/21 at 8:26 am to WaWaWeeWa
quote:
Completely irrelevant. Is there anyone who still thanks they are somehow not going to get COVID eventually?
You don't think limiting the spread of a virus that is primarily dangerous b/c it's so easily spread is relevant?
Wut?
Posted on 12/30/21 at 8:27 am to Roger Klarvin
quote:
Nobody has ever ignored T-cell immunity. The only myth was some believing that only natural infection and not vaccination induced this.
How do think folks like myself that have both the vaccine and a breakthrough delta infection figure in this equation?
Posted on 12/30/21 at 8:27 am to Roger Klarvin
quote:
Nobody has ever ignored T-cell immunity
what?! The talking heads and government won’t even recognize natural immunity through B cells. You think they are going to admit you might have T cell immunity?
The fact that they are even recommending multiple boosters tells you that they don’t acknowledge T cell immunity. The boosters are only effecting B cell counts and temporarily boosting them. Tell me what a repeated dose of the same vaccine does for T cells?
This post was edited on 12/30/21 at 8:30 am
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