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Data from a preliminary study in the United States indicate a lower risk of hospitalization and death from the Omicron variant of the coronavirus.
The study was conducted by analyzing almost 70,000 people who tested positive for COVID-19. The analyzes were made from data obtained from the health system in California between November 30 and January 1, where two variants of the coronavirus, Delta and Omicronin were widely circulated.
The study found that people infected with Omicron were half as likely to be hospitalized, about 75 percent less likely to be in intensive care, and about 90 percent less likely to die compared to people infected with the Delta variant.
Of the nearly 52,000 people infected with Omicron, none needed ventilation, compared with 11 of the nearly 17,000 people infected with the Delta variant.
These findings are in line with research conducted in other countries, including South Africa and Britain. These studies also found that Omicron infections are less severe and less likely to cause death.
The results of these studies suggest that Omicroni is “less severe” than Delta, and reducing the likelihood of developing a serious illness is not just the result of previous vaccination or infection, the study said.
However, this study has not yet been reviewed by other scientists, so the Centers for Disease Control and Prevention (CDC) said the data should not be taken for granted.
CDC director Rochelle Walensky told reporters that Omicron’s extreme transmissibility is still weighing on the US healthcare system.
The US is currently registering an average of 750,000 new cases per day and has about 150,000 hospitalizations from COVID-19. The state is also registering over 1,600 victims on a daily basis.
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