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J&J booster slashes Omicron hospitalisations -South African study

Johnson & Johnson's booster shot provides high levels of protection against the omicron variant of Covid-19, according to data from a trial of healthcare workers in South Africa released Thursday.

Preliminary results from the Sisonke study, which have not been peer-reviewed, found that for people who had received one vaccine dose, the booster improved protection against hospitalization to 85 percent from 63 percent.

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Testing for Omicron may need re-evaluation--South African study

If confirmed in follow-up research and if the diagnostics industry can pivot quickly enough, findings from a South African study could make COVID-19 testing a lot easier for patients and healthcare workers, as the SARS-CoV-2 Omicron variant becomes the dominant source of infection.

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Prelimninary Research Indicates Most of the World’s Vaccines Likely Won’t Prevent Infection From Omicron

A growing body of preliminary research suggests the Covid vaccines used in most of the world offer almost no defense against becoming infected by the highly contagious Omicron variant.

All vaccines still seem to provide a significant degree of protection against serious illness from Omicron, which is the most crucial goal. But only the Pfizer and Moderna shots, when reinforced by a booster, appear to have initial success at stopping infections, and these vaccines are unavailable in most of the world.

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