However, those who are admitted have no significantly lower chance of experiencing severe disease, they say.
SA scientists have released a study showing Omicron causes less-severe disease than its predecessor variant.Omicron causes less-severe illness than the earlier Delta variant of Covid-19, a South African study has found., show people infected with Omicron have an 80% lower chance of being admitted to hospital.
“However, in SA Omicron is behaving in a way that is less severe and this is likely to be the same in sub-Saharan African countries with similar very high levels of previous infection. Of 309 patients who died in hospital having disclosed their vaccination status, 13% were fully jabbed and 87% were either unvaccinated or had had only one of their two Pfizer shots, she said.
This could mean up to 49-million South Africans have been infected and Groome said seroprevalence studies show that “in excess of 70% of South Africans have been exposed and have underlying immunity to Covid-19".
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