HomeHealthOmicron COVID-19 variant gives little immunity to those infected: researchers

Omicron COVID-19 variant gives little immunity to those infected: researchers


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Researchers published in the British Medical Journal (BMJ) 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 findings, healthcare workers who were infected with the alpha variant of COVID-19 produced a less powerful antibody response to the omicron variant. In fact, patients infected from the beginning of the pandemic did not have any immune boost against omicron.

“People infected with the omicron variant show increased impaired immunity against future COVID-19 infections, researchers have found,” BMJ wrote in a report on the efficacy of booster vaccinations.

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

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A worker in protective gear walks past residents lining up for mass COVID testing in Shanghai, China on April 1, 2022.
(AP Photo/Chen Si)

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

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

The team’s research showed that infection or vaccination do not provide sufficient protection against contracting the disease in the future.

“Becoming infected with omicron does not provide a potent boost to immunity against reinfection with omicron in the future. Previous SARS-CoV-2 infection impairs the ability to boost immunity against subsequent SARS-CoV-2 infection through a process called ‘immune imprinting’, and this can apply to subvariants of omicron, including BA.4 and BA.5,” said lead author Rosemary Boyton.

A man wearing a protective suit sits at the entrance to a residential building that has been surrounded by metal barricades as part of COVID-19 checks in Beijing, Tuesday, June 14, 2022.

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

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More than 82 million COVID-19 vaccine dose they have allegedly been wasted since the start of the pandemic, according to media reports.

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

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

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COVID Vaccine Distribution in Colorado.

COVID Vaccine Distribution in Colorado.

The vaccines come in a vial and have a short shelf life. Once opened, they should be used fairly quickly before being thrown away.

Nationally, 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 have received their first booster shot.



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