Data from SA which suggests Omicron is 70% to 80% less severe than Delta should not be extrapolated to all countries, the Africa Centres for Disease Control says.
Data from SA which suggests Omicron is 70% to 80% less severe than Delta should not be extrapolated to all countries, Africa CDC saysData from SA which suggests the Omicron coronavirus variant is 70% to 80% less severe than Delta should not be extrapolated to all countries, the head of the Africa Centres for Disease Control said on Thursday.
“We should interpret the data from SA with a lot of caution,” John Nkengasong, director of the Africa CDC, told an online media briefing. “This is early days and public health practice is local.” He said that factors such as the young median age of the SA population could be playing a part in what was being observed in the country, and that differing vaccination rates between countries could also lead to different outcomes.
An Imperial College London study found the risk of a hospital stay was 40% to 45% lower for Omicron than for Delta, while in Scotland a reduced risk of hospitalisation was also observed in an analysis of early data.
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