By By Robert Preidt HealthDay Reporter, HealthDay Reporter
THURSDAY, June 16, 2022 (HealthDay Information) — If you happen to battled a COVID-19 an infection early within the pandemic, it most likely will not shield you a lot from reinfection with Omicron and its subvariants, a brand new examine warns.
Even a earlier an infection with the unique Omicron variant offers little safety in opposition to reinfection, researchers report.
They stated the findings from their examine of greater than 730 triple-vaccinated well being care employees in the UK could assist clarify why Omicron reinfection is so widespread, The Guardian reported.
“If you happen to had been contaminated throughout the first wave, then you’ll be able to’t increase your immune response when you have an Omicron an infection,” examine co-author Rosemary Boyton, a professor at Imperial Faculty London, advised the newspaper.
Boyton additionally famous that when “Omicron began flying across the nation, folks saved saying, that is OK, that can enhance folks’s immunity,” however “what we’re saying is it isn’t a superb booster of immunity.”
It is believed that COVID variants resembling Omicron have mutations of their spike protein that assist them evade immune responses, however these findings present the state of affairs is extra complicated, in accordance with co-author Danny Altmann, a professor at Imperial Faculty London.
“It is truly worse than that, as a result of the diversifications that the spike [protein] has now are literally inducing a form of regulation or shutdown of immune response,” he advised The Guardian.
This examine targeted on Omicron BA.1, however comparable findings are possible for different Omicron subvariants, Altmann famous.
Regardless of excessive charges of COVID-19 an infection in the UK, low charges of hospitalizations and deaths counsel that vaccines nonetheless present safety in opposition to extreme illness and loss of life, in accordance with Altmann.
Nevertheless, we’re “not getting herd immunity, we’re not increase protecting immunity to Omicron,” he stated. “So we face not popping out the opposite finish of infections and reinfections and breakthrough infections.”
The examine was printed June 14 within the journal Science.
Go to the U.S. Facilities for Illness Management and Prevention for extra on the Omicron variant.
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