"Is omicron milder, or more severe than delta?" asked Head. Michael Head, senior research fellow in global health at the University of Southampton in England, wrote of the study.Īlthough South Africa's findings indicate that omicron may cause milder disease, reports from Denmark show the opposite, Head wrote. Thus, it is important to avoid inferring too much right now," Dr. "Their analyses covers just three weeks of data. The latter group was used as a proxy for measuring the effects of the omicron variant. 31, when omicron was likely not very prevalent in South Africa, and those from after Nov.
The study split samples into two periods: those taken before Oct. The analysis was conducted by Discovery Health, South Africa's largest private health insurer, and the South African Medical Research Council. In the new South Africa findings, people who received two doses of the Pfizer-BioNTech vaccine appeared to have just 33 per cent protection against infection, compared to those who were unvaccinated, during the country's current omicron-fuelled surge, but 70 per cent protection against hospitalization. Canadian-American Kate O'Brien, the World Health Organization immunization director, said at a news conference in Geneva that any initial conclusions about omicron could only be drawn after "an aggregate of evidence around the world."
The findings are preliminary and have not been peer-reviewed - the gold standard in scientific research. South Africa study gives some cause for optimism, but omicron math, vaccine evasiveness could prove too formidableĪn analysis Tuesday of data from South Africa, where the new omicron variant of the coronavirus is driving a surge in infections, suggested the Pfizer vaccine offers less defence against infection from omicron and reduced, but still good, protection from hospitalization. There were 24 new COVID-19 cases reported in Tokyo on Tuesday and 144 in Japan as a whole, with several inbound travellers who tested positive for omicron in quarantine hotels. People enjoy a giant snow-globe Christmas light display in Tokyo on Tuesday.
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