Home LATEST NEWS Study Finds Increased Risk Of Reinfection With Omicron Variant | Coronavirus

Study Finds Increased Risk Of Reinfection With Omicron Variant | Coronavirus


This work is based on the analysis of 35,670 re-infections detected in nearly 2.8 million individuals who tested positive in South Africa.

Between November 1 and November 27, the risk of reinfection observed was three times higher compared to the waves linked to the Beta and Delta variants.

The Omicron variant is associated with a substantial ability to evade immunity from prior infection, concludes the study, made available Thursday on the prepublication site medRxiv, but which has not yet been peer-reviewed.

We do not have information on the vaccination status of individuals in our data, and therefore we cannot draw any conclusions about Omicron’s ability to evade vaccine-induced immunity., however, warned Juliet Pulliam of South African Stellenbosch University on Twitter, the study’s lead author.

First information and questions

Last week, South Africa announced that it had detected this new variant, which created a phenomenon of global panic.

Since it has many mutations, scientists have since sought to understand whether it is more contagious or able to resist the immunity acquired thanks to vaccines or to a previous infection. Laboratory results are still awaited, and this study therefore provides valuable first information.

According to the first observations, people already infected could be recontaminated by Omicron, often with less serious symptoms, specified the scientist.

Vaccines, however, should remain effective against severe forms of the disease, she said.

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