Omicron COVID-19 variant slightly increases immunity to infected: researchers

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Researchers in the British Medical Journal (BMJ) have found that infection or vaccination with the omicron variant of COVID-19 does little or nothing to protect against future infections.

According to the study’s findings, health workers who were infected with the alpha variant of COVID-19 produced a less potent antibody response to the omicron variant. In fact, patients infected since the beginning of the pandemic had zero immune boosting against omicron.

“People infected with the omicron variant show poor immunity to future COVID-19 infection, the researchers found,” the BMJ wrote in a report on the effectiveness of vaccine boosters.

The report continued: “This may explain why innovative and recurrent infections have been a common feature of the pandemic omicron wave, even among people who have been triple-vaccinated.”

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A worker with a protective gear passes in front of the residents lined up for massive COVID tests in Shanghai, China, on April 1, 2022. (Photo AP / Chen Si)

Danny Altman, co-author of the study at Imperial College London, said the omicron variant is especially difficult to immunize.

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“The research team analyzed blood samples from 731 UK healthcare workers who received three doses of mRNA vaccine and had different histories of SARS-CoV-2 infection, to investigate antibody immunity. , T cells and B cells against omicron, “the BMJ reported.

The team’s research showed that infection or vaccination do not provide enough protection to get the disease in the future.

“Getting infected with omicron does not provide a powerful boost to omicron reinfection immunity in the future. Previous SARS-CoV-2 infection affects the ability to increase immunity to subsequent SARS-CoV-2 infection through a process called “immune printing”. “, and this can be applied to omicron subvariants, including BA.4 and BA.5,” said lead author Rosemary Boyton.

A man wearing a protective suit sits at the entrance of a residential building that has been surrounded by metal barricades as part of COVID-19 checks in Beijing on Tuesday, June 14, 2022. ( Photo AP / Mark Schiefelbein)

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More than 82 million COVID-19 vaccine dose It has been reported that they have been wasted since the beginning of the pandemic, according to media reports.

The Centers for Disease Control and Prevention (CDC) shared the data, indicating that just over 11% of doses distributed by the federal government between December 2020 and mid-May were discarded, with NBC News.

That’s almost 20 million more wasted doses than the 65 million the Associated Press reported in February.

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Distribution of COVID vaccine in Colorado.

Vaccines come in a vial and have a short shelf life. Once opened, they must be used very quickly before being thrown away.

Nationwide, more than 751 million doses have been distributed and 221.5 million people have been fully vaccinated, according to the CDC. However, less than half of all fully vaccinated people have received their first booster vaccine.

Timothy Nerozzi is a Fox News Digital writer. You can follow him on Twitter @timothynerozzi and email him at timothy.nerozzi@fox.com

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