Past COVID infection may not fend off New Omicron

South African scientists are warning that reinfections amongst people who have already battled COVID-19 look like much more likely with the new Omicron variant than with earlier coronavirus mutants.

A studies institution has been tracking reinfections in South Africa and suggested a leap with the appearance of Omicron that they hadn’t seen whilst two preceding variants, inclusive of the greater-contagious delta variation, moved via the country.

The findings, posted on-line on Thursday, are preliminary and haven’t yet gone through medical overview. Nor did the researchers say what portion of the reinfections had been showed as Omicron cases — or whether or not they brought on critical infection.

But the timing of the reinfection spike shows that Omicron

“demonstrates widespread population-level proof for evasion of immunity from prior infection,”

they wrote.

New Omicron

“Previous infection used to defend towards Delta, and now with Omicron it does not seem to be the case,” one of the researchers, Anne von Gottberg of the University of Witwatersrand, said at a World Health Organisation briefing on Thursday.

The have a look at additionally did no longer observe the protection offered by way of vaccination. Coronavirus vaccines trigger distinct layers of immune reaction, some to fend off contamination and others to save you intense disorder if a person does grow to be infected.


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