Omicron exceeds other variants in ability to evade protection from previous infection, vaccines: study

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Omicron exceeds other variants in ability to evade protection from previous infection, vaccines: study
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The new Omicron variant may have a greater ability than other strains of the virus to escape immune protection from antibodies produced by previous COVID-19 infection, and potentially vaccines, according to a new study.

The new Omicron variant may have a greater ability than other strains of the virus to escape immune protection from antibodies produced by previous COVID-19 infection, and potentially vaccines.Emerging Microbes & InfectionThe Omicron variant has caused global panic prompting many countries, including Canada, to impose more stringent travel rules.

“We found the large number of mutations of the Omicron variant did cause significant changes of neutralization sensitivity against people who had already had COVID,” Wang said in a“However, the average ED50 against Omicron is still higher than the baseline, which indicated there is still some protection effect can be observed,” Wang continued.

“In addition, it needs to be re-evaluated whether the therapeutic monoclonal antibodies can still be effective against the Omicron variant,” the study reads. These were tested against test-tube or in-vitro samples of Omicron and other strains deemed “variants of concern” by the World Health Organization, including Alpha, Beta, Gamma and Delta.Wang said the study “verifies the enhanced immune escape” of the Omicron variant, “which sounds the alarm to the world and has important implications for the public health planning and the development of matching strategies.

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