A study conducted in the United Kingdom says there’s no evidence the Omicron variant causes less severe reactions than the Delta variant. Researchers also estimate the risk of reinfection by Omicron is 5.4 times greater than for the Delta.
“The study finds no evidence of Omicron having lower severity than Delta, judged by either the proportion of people testing positive who report symptoms, or by the proportion of cases seeking hospital care after infection,” saysby researchers from the U.K.’s Imperial College London. “However, hospitalization data remains very limited at this time.”
“This study provides further evidence of the very substantial extent to which Omicron can evade prior immunity given by both infection or vaccination. This level of immune evasion means that Omicron poses a major, imminent threat to public health.” wrote Professor Neil Ferguson, the leader of the research team.
There were only 24 known cases of hospitalization caused by Omicron, the study said, meaning more research will be needed in that area.
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