Omicron seems to carry higher Covid reinfection risk, says South Africa
2021-12-03 10:33:39 source：The Guardian
December 2, 2021
The Omicron variant of Covid-19 appears to be reinfecting people at three times the rate of previous strains, experts in South Africa have said, as public health officials and scientists from around the world closely monitor developments in the country where it was first identified.
As the EU’s public health agency warned that Omicron could cause more than half of all new Covid infections in Europe within the next few months, evidence was emerging, however, that vaccines still appear to offer protection against serious illness.
According to new evidence collected in South Africa by its National Institute for Communicable Diseases (NICD) the latest epidemiological evidence suggests that Omicron can evade immunity from infection with earlier variants and is causing reinfections at three times previous rates.
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