The Omicron variant appears to be able to evade immunity from prior Covid-19 infection, new data has suggested.
South African Centre for Epidemiological Modelling and Analysis and the National Centre for Communicable Diseases released the data on Thursday night.three-fold increase in risk for reinfection” due to Omicron compared to previous variants.
The article's author, SACEMA director Prof Juliet Pulliam, said that the authors wanted to determine whether there was epidemiological evidence of increased risk of reinfection with the Omicron variant compared to Beta and Delta. “The timing of this deviation in the epidemiological data is associated with the emergence of the Omicron variant, identified by South African scientists and announced to the public on November 25 2021,” the two organisations said in a joint release.
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