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Are new COVID variants like Omicron linked to low vaccine coverage? Here's what the science says

By Jennifer Juno Senior research fellow, The Peter Doherty Institute for Infection and Immunity Adam Wheatley Senior Research Fellow, Department of Microbiology and Immunology, The University of Mel Melbourne, Nov 29 The Conversation The emergence of a new SARS-CoV-2 variant of concern, Omicron, has reignited global discussions of vaccine distribution, virus mutation, and immunity against new virus strains.Some experts have suggested the emergence of a new strain could be a result of low levels of vaccine coverage in developing nations.So how do new virus variants emerge ....

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MSNBC MTP Daily November 30, 2021 18:25:00

What about omicron gives you that confidence? what part of it? because there s all these mutations which is obviously freaking out this is a more mutated virus than i guess was expected this early, correct? well, what we ve seen is when you get really very, very high levels of virus neutralizing antibody, when we looked at it against the beta variant that came out of south africa last year, or the lambda which had some of the same mutations as omicron, yes, you got a decrease in virus neutralizing antibody with it but if you had enough to begin with, it seemed to hold you over. there was spillover, i think that s the term dr. fauci used, spillover antibody to cross-protect and that may still be the case even though there are additional variants. and the experiments we need to do to confirm that are not that complicated, so we re doing it in our lab now at texas children s hospital and baylor ....

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MSNBC Meet the Press November 29, 2021 09:06:00

What is it about this variant that you ve seen so far that has everybody so alarmed that the other variants we ve had in between, delta and this one delta alarmed folks. this one alarmed folks. lambda and mu, for instance, hasn t. what makes omicron so concerning to you? right now what we have is we have the window into the mutations that are in this new variant, and they are troublesome in the fact that there are about 32 or more variants in that very important spike protein of the virus, which is the business end of the virus, and there s about ten or more of these mutations that are on that part of the virus. we call it the receptor binding domain that actually binds to the cells in your nasal pharynx and your lungs. in other words, the profile of the mutation strongly suggests it s going to have a high ....

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MSNBC Yasmin Vossoughian Reports November 28, 2021 20:09:00

Premise. i think a couple of key points over this next week or so we are going to know whether antibodies to our vaccine and the pfizer people, the moderna people, the j&j people will know if the antibodies to these different vaccines, especially after boosting are sufficient in order to neutralize the omicron vary yachbt. those are studies that are done in the laboratory, even with the omicron variant virus itself or with the pseudovirus constructs that s made. wool know that fairly quickly. the likelihood is there may be some reduction in its ability to neutralize the virus just like there was for the variant out of south africa last year, to the lambda. but still stump sufficient activity. i don t know that for certain but i think that s a likely snare know, that s going to roll out over the next week or two. best thing you can do, get fully immunized and boosted because it ....

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FOXNEWS Fox News Live November 28, 2021 17:17:00

Variant. those variants were partially resistant to the vaccines, by no means completely. with individuals that have toledoses of mrna i m sayses, i m immunizations, i m hopeful the vaccines will work well. we ll know that by the end of this coming week and after that we re looking at the vaccines the way you do it is you actually measure the antibody to the vaccine, either an experimental animal or in people who have been immunized and you see how well it neutralizes the virus or a pseudo virus version of it and we can know that pretty quickly. so we re hoping they that we ll know the answer on our vaccines, the same which pfizer and moderna and i think there s a good probability you ll have some escape properties but not be completely resistant. the other thing to keep in mind is those two other variants that we ve seen that are partially resistant, the beta and lambda, ....

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