A Study Confirms That Delta Variants Double The Risk Of Hospitalization

Nikki Attkisson | Last Updated : August 30, 2021

A large, updated study in The Lancet Infectious Diseases shows that people infected with a delta version of the coronavirus are twice as likely to be hospitalized as people infected with an earlier variant. The study’s findings are in line with prior research suggesting the highly infectious variant could increase hospitalization risks, as was reported in a study published in June in Scotland.

A Study Confirms That Delta Variants Double The Risk Of Hospitalization

NBC News reported in a statement at the time that CDC officials classified Delta as a variant of concern in June, saying the designation was based on mounting evidence of the virus’s higher spreading rate and more serious symptoms than other variants.

A Study Confirms That Delta Variants Double The Risk Of Hospitalization

According to this study, the delta variant does indeed pose a greater threat than the other variants. More than 43,000 cases of the virus were sequenced at Public Health England from late March to late May. A delta variant was gaining traction in Britain at that point, but it hadn’t yet become the dominant type.

A majority of those surveyed – 80 percent – had been infected by the alpha variant, which came sweeping through England in late 2020. Only 20 percent of the people had been infected with the delta variant. More than 75 percent of people were unvaccinated and less than 2 percent had full vaccinations. Most of the rest of the individuals received only one dose of the two-dose series.

According to the study, the amount of hospitalization for partially vaccinated or unvaccinated people with the delta variant was twice as high as that for earlier variants after accounting for age and other factors. A 1.5 times greater likelihood of needing emergency medical care also existed.

In general, most patients who were hospitalized had not been vaccinated. However, the study found that even those who had been fully vaccinated had a slightly higher risk of hospitalization, though it was still a rare event.

According to Amber D’Souza, an epidemiologist at the Johns Hopkins Bloomberg School of Public Health, it’s been recognized for months that delta variants of the virus are highly contagious, but it’s unclear whether they cause more illnesses. Based upon the current understanding of the delta variant, it is reasonable to assume that more individuals will end up in the hospital with it than its predecessors. In his research, Amber D’Souza systematically analyzed data to show that delta viruses are not only more infectious, but also can result in a poorer outcome.

Coronavirus delta variants produce more viral particles, which makes them more infectious than previous variations. The virus also spreads more rapidly, so it can seize control of the body before the immune system has had time to counteract it.

Even if vaccinated against infection, it takes hours or days for the immune system to catch up with the infection, and if the delta variant is present, it works faster, Wurtz explained, explaining why vaccines don’t work as well against infection by the delta variant. Furthermore, physical separation and mask use are important safety measures that can allow new versions of the Covid 19 to be stopped from spreading, and vaccinations are still extremely effective in preventing severe illnesses associated with the Delta variant.

Ninety-nine percent of all new cases of Covid 19 in the United States have the delta variant. As a result of the winter surge of influenza, hospitalizations are at record levels in the South. Patients are flooding hospitals at an alarming rate, especially in states with lower vaccination rates. Amber D’Souza urged people to get vaccinations, noting that tried-and-true measures could help reverse the pandemic’s course.

The disease is better off now than last year thanks to an effective tool, the vaccine, and new therapies to treat it. As well as behavioral prevention methods, we now know more about them, she said. The end is still far from being reached, but progress is being made.”

Nikki Attkisson

With over 15 years as a practicing journalist, Nikki Attkisson found herself at Powdersville Post now after working at several other publications. She is an award-winning journalist with an entrepreneurial spirit and worked as a journalist covering technology, innovation, environmental issues, politics, health etc. Nikki Attkisson has also worked on product development, content strategy, and editorial management for numerous media companies. She began her career at local news stations and worked as a reporter in national newspapers.

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