Three studies suggest that people with COVID-19 omicron are less likely than others to need hospitalization.

Questions about the variant’s virulence are at the heart of scientific and political debate in many countries, as governments grapple with how to respond to the spread of the variant while researchers race to understand it.

The publication of three research pieces on Wednesday may have an impact on the way people lead their lives in the short term.


Imperial College London research shows that patients with PCR-confirmed omicron have a 15-20% lower chance of needing admission and a 40-45% lower likelihood of staying for more than one night.

Research has shown that even though omicron seems less serious, it is still more easily transmissible due to the fact that current vaccines for coronavirus are less effective.

Professor Neil Ferguson, from Imperial College London, said: “Our analysis shows evidence of a moderate reduction in the risk of hospitalization associated with the omicron variant compared with the delta variant.

“However, this appears to be offset by the reduced efficacy of vaccines against infection with the omicron variant.

“Given the high transmissibility of the omicron virus, there remains the potential for health services to face increasing demand if omicron cases continue to grow at the rate that has been seen in recent weeks.”

While the Imperial study was not peer-reviewed yet, it relied on PCR-confirmed Coronavirus cases between vaccinated or unvaccinated persons in England between Dec. 1, 2014, and December 14.

These cases included 569,000 omicrons and 2699,000 delta cases.


In a study that was conducted across Scotland, scientists found that the risks of being hospitalized by omicron are two-thirds lower than those of delta.

Dr Jim McMenamin, the national COVID-19 incident director for Public Health Scotland, labelled the findings of the Scotland study another “qualified good news story,” but said that it was “important we don’t get ahead of ourselves.”

He said: “The potentially serious impact of omicron on a population cannot be underestimated.

“A smaller proportion of a much greater number of cases that might ultimately require treatment can still mean a substantial number of people who may experience severe COVID infections that could lead to potential hospitalization.”

The Scotland paper is still being peer-reviewed. Its authors claim that if Omicron were like the Delta variant in Scotland, they would have treated around 47 patients in hospitals. However, only 15 people are currently in the hospital with the disease.

Professor Mark Woolhouse of University of Edinburgh stated that data are heavily catered because they were based only on small numbers of cases, which didn’t include many older people.

While the Omicron strain of viruses is the most prevalent in Scotland, cases of variants are increasing across the United Kingdom.

South frica

A South AfricaA study has shown that people who have been infected by the virus are less likely to be hospitalized and suffer from severe illness.Omicron coronavirus variant versus the delta one — though the authors say some of that is likely due to high population immunity.

This new study was not peer-reviewed and aimed to evaluate the severity of diseases by comparing data.Omicron With data on delta infections occurring between April and November in the months of October and November, this report includes information about these infections. South Africa.

An analysis of the data was performed by scientists from the National Institute for Communicable Diseases and universities like University of KwaZulu-Natal.

The data came from four sources. They included national COVID-19 data, data from public sector laboratories and one large private sector laboratory, and genomic data for samples sent from clinical labs to the NICD.

According to the authors, hospital admissions were about 80% less for people infected by HIV.Omicron Delta was 30% less than hospitalized patients, while the risk for severe diseases in those who were admitted to hospital was around 30%.

They also warned against drawing conclusions on the inherent characteristics of these traits.Omicron.

“It is difficult to disentangle the relative contribution of high levels of previous population immunity versus intrinsic lower virulence to the observed lower disease severity,” they wrote.


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