British studies observe that Covid infections with Omicron are less likely to result in hospitalisation compared with the Delta variant
Study shows a booster vaccine offers substantial additional protection against Omicron symptomatic infection.
The preliminary studies, one paper from Scotland and the other from England, were cautiously welcomed by experts, who nonetheless stressed that any advantage in milder outcomes could still be negated by the new strain's heightened infectiousness, which may still lead to more overall severe cases. The Scottish paper examined Covid cases recorded in November and December, and grouped them by cases caused by Delta against those caused by Omicron.
The study was small and there were no people under 60 hospitalised at the time, but the authors said they had adjusted for these limitations using statistical methods.The second paper, from England, found there was a 20-25 percent reduction in any attendance at hospital for Omicron compared to Delta, and a 40-45 percent reduction in hospitalisations lasting one night or longer, in other words "admissions.
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