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Omicron infection turbo-charges vaccinated people's Covid immunity: Study

Findings match up evidence for an immune boost from exposure to different virus variants via vaccination and infection.

A youth receives a dose of the Covaxin Covid-19 vaccine at a vaccination center in New Delhi, India, on Monday, Jan. 3, 2022. Photo: T. Narayan/Bloomberg
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A youth receives a dose of the Covaxin Covid-19 vaccine at a vaccination center in New Delhi, India, on Monday, Jan. 3, 2022. Photo: T. Narayan/Bloomberg

Naomi Kresge | Bloomberg
People who are vaccinated and then get infected with omicron may be primed to overcome a broad range of coronavirus variants, early research suggests. 

A pair of studies showed that infection produced even better immune responses than a booster shot in vaccinated patients. Teams from Covid-19 vaccine maker BioNTech SE and the University of Washington posted the results on preprint server bioRxiv in recent weeks.

The findings offer a reassuring sign that the millions of vaccinated people who’ve caught omicron probably won’t become seriously ill from another variant soon -- even though the research needs to be confirmed, especially by real-world evidence. 

“We