New emphasis on the effective protection of vaccines.. British study clarifies

A study showed that the risk of hospitalization due to infection with the mutated delta strain of the Corona virus may be twice as high;

Compared to the percentage of transmission due to infection with the alpha strain.

Researchers from the University of Cambridge and the World Health Organization in Britain evaluated more than 40,000 cases of coronavirus in England between the end of March and the end of May 2021 for their study.

The findings, published in The Lancet Infectious Diseases journal, apply to people who have not received the vaccine.

The data did not allow any conclusions to be drawn for people who received the full vaccination.

So far, studies have shown only the higher rate of transmission of the delta strain, but there is no reliable evidence about the severity of the acute course of COVID-19.

The researchers found that the average risk of hospitalization within two weeks of infection with the delta strain was 2.26 times.

The risk of hospitalization was 1.45 times higher than that of the alpha strain.

Of the more than 40,000 cases in the study, only 1.8 percent were fully vaccinated, which the researchers interpret as new confirmation of the effective protection offered by vaccines.

Of the people in the study who contracted the virus, 74% were not vaccinated and 24% received a single dose of the vaccine.

"Our research confirms that in the absence of vaccination, a delta outbreak would place a greater burden on health care systems than an alpha outbreak," said Anne Brisanis of the University of Cambridge, one of the researchers involved in the study.

"Receiving the full vaccination is a critical factor in reducing an individual's risk of developing delta symptoms in the first place, and most importantly reducing the risk of a delta patient becoming seriously ill and having to be taken to hospital," she added.

It is noteworthy that the Delta strain, which was first discovered in India, is now more prevalent in many countries, including Britain and Germany.

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