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FOXNEWS America Reports With John Roberts Sandra Smith December 29, 2021 19:06:00

That was the first contact covert. there are two types of cross immunity. one of the antibodies or the front lines of fighting the infection. omicron does partially fight the antibodies that you have from vaccines and partially invade antibodies that you have from prior infections. but the durable immunity, that is the memory b cells and t cells, are still very effective. they are encompassing of all variants. that is why you have good protection against severe illness. we got more data out this week again, that supports that. something doctor, that is still wildly unclear to me now, is based on the guidance out there. if you are exposed to somebody who is known have covert, once you test, how often should he test, and one should he feel reasonably comfortable that you know, i was spared this time around? or does not seem to be anything consistent out there. well the average time to develop symptoms, if you got the infection, is about four days ....

First Contact , Cross Immunity , Memoryb Cells , T Cells , Have Covert ,

Covid and memory loss? Study has some interesting findings

Infection-fighting B cells retain better memory of the coronavirus spike protein in patients who recover from less-severe cases of Covid-19 than in those recovering from severe Covid-19: Research ....

Coronavirus Spike Protein , Memory Los , Covid Pandemic , Covid Vaccine , Coronavirus Infection , Extracorporeal Membrane Oxygenation Ecmo , Memoryb Cells , Sars Cov 2 ,

CNN New Day With John Berman and Brianna Keilar December 22, 2021 11:11:00

In addition to those circulating antibodies which may be dropping off, the memory b cells and t cells are able to give you more durability in your immune response. so you see a different interpretation of when the booster should be given. i think it is closer to the five-month mark. we are looking at six months out from the completed series in the u.s. that is all open to further discovery and further change in the policy. dr. purnell, we re all looking for signs or clues whether omicron is different than previous variants. and there s a new study out of the uk, south africa and japan, that finds it might be less likely to cause severe lung disease. we should note it hasn t been peer reviewed yet. how optimistic should we be about this? i think it s fascinating information, john. basically what the researchers are finding is that the omicron variant may be less likely to enter the lung cell. ....

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CNN New Day With John Berman and Brianna Keilar December 22, 2021 11:10:00

They are starting with the most vulnerable, those over 60, those who work in health care, and those with chronic conditions. . as we look at it, it can be so confusing. israel was using a different time frame. we re saying six months after your second shot you are eligible for the booster. now israel talking about the fourth dose. why are they not only making this preemptive strike, but also why are the time frames different than they are here in the u.s.? because there is data, erica, from the studies that your immunity wanes because the circulating antibodies start to drop at the 20-week mark. that is not the only type of immune defense the body has. it has memory b cells and the body has t cells. ....

Health Care , Preemptive Strike , Memoryb Cells , T Cells , Immune Defense ,

CNN Inside Politics With John King November 19, 2021 17:30:00

Of people recently who are 65 years of age or others over the age of 50 with a high-risk medical condition in which case you could reasonably argue for those groups because you want to make sure you have a high level of protection against serious illness. on the other hand, and the reason that s true is because all you need for protection against serious illness is immunological memory cells, so-called memory b-cells and they are apparently induced at fairly high frequency and for years so we re good. on the other hand, if you re trying to argue i also want protection against even a.ik infection or mildlysy. iatic and antibodies will fade over time, true for the whooping cough and flu advantages own so if we re not willing to accept wild or a.ik infection you are you re talking about booster now and in the future because neutralizing anti-bod list always fade over time. when will we know how frequently to get boostered? ....

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